Full Forms, Abbreviations, Acronyms, and Short Forms are an important part of our daily communication in education, technology, business, government, science, and the internet. We often use these abbreviations in speaking, writing, and digital conversations without realizing their complete meanings. Knowing the full forms of abbreviations not only improves knowledge but also helps us understand the real concept behind every term.
In today’s fast-paced world, people prefer using short forms and acronyms to save time, but students, professionals, and competitive exam aspirants must also be familiar with their expanded full forms. For example, terms like ATM (Automated Teller Machine), WiFi (Wireless Fidelity), IAS (Indian Administrative Service), MBBS (Bachelor of Medicine and Bachelor of Surgery), and GDP (Gross Domestic Product) are frequently used in conversations, news, and exams. Without knowing their full forms, one may miss the actual meaning.
This comprehensive collection of Full Forms and Abbreviations covers a wide range of fields including:
General Knowledge and Everyday Use (PIN, LPG, GPS, etc.)
Education and Degrees (MBA, B.Tech, PhD, etc.)
Science and Technology (AI, IoT, DNA, HTTP, etc.)
Government and Politics (UN, WHO, NASA, RBI, etc.)
Business and Finance (CEO, GST, IPO, etc.)
Internet and Communication (SMS, URL, VPN, etc.)
A to Z Full Forms List For Competitive Eaxams
Some common abbreviations used in India and Wolrdwsie, along with their full forms:
A Letter Full Forms
Short Forms
Full Forms
AAI
Airport Authority of India
ABG
Arterial Blood Gas
ABS
Anti-Locking Braking System
AC
Alternating Current
ACE
Angiotensin-Converting Enzyme
ADA
Aeronautical Development Agency
AGM
Annual General Meeting
AI
Artificial Intelligence
AICTE
All India Council for Technical Education
AIDS
Acquired Immunodeficiency Syndrome
AIEEE
All India Engineering Entrance Examination
AIIB
Asian Infrastructure Investment Bank
AIIMS
All India Institute of Medical Sciences
ALS
Advanced Life Support
AM
Amplitude Modulation
ANN
Artificial Neural Network
APEC
Asia-Pacific Economic Cooperation
APK
Android Package
AR
Augmented Reality
ASAP
As Soon As Possible
ASEAN
Association of Southeast Asian Nations
ASP
Active Server Pages
ATM
Automated Teller Machine
ATP
Association of Tennis Professionals
ATS
Anti Terrorism Squad
B Letter Full Forms
Short Forms
Full Forms
B.Pharma
Bachelor of Pharmacy
B2B
Business to Business
BA
Bachelors of Arts
BAR
Best Available Rate
BBC
British Broadcasting Corporation
BBE
Bachelor of Business Economics
BBK
Bank of Bahrain and Kuwait
BBL
Big Bash League/Be Back Later
BC
Before Christ
BCA
Bachelor of Computer Applications
BCC
Blind Carbon Copy
BCCI
Board of Control for Cricket in India
BDC
Block Development Counci
BFSI
Banking, Financial Services, and Insurance
BHEL
Bharat Heavy Electricals Limited
BLS
Basic Life Support
BMS
Bachelor of Management Studies
BPL
Below Poverty Line
BPSC TRE
Bihar Public Service Commission Teacher Recruitment Exam
BSE
Bombay Stock Exchange
BSF
Border Security Force
BSNL
Bharat Sanchar Nigam Limited
C Letter Full Forms
Short Forms
Full Forms
CA
Chartered Accountant
CAD
Capital Account Deficit
CAG
Controller and Auditor General of India
CAMELS
Clearing Corporation of India Limited
CBD
Common Bile Duct
CBI
Central Bureau of Investigation/Central Bank of India
CBS
Core Banking Solution
CBSE
Central Board of Secondary Education
CC
Cubic Capacity / Cubic Centimeter/Carbon Copy
CCRF
Central Crisis Response Force
CCTV
Closed Circuit Television
CDC
Centers for Disease Control and Prevention
CDMA
Code Division Multiple Access
CDO
Chief Data Officer
CDS
Chief of Defence Staff
CEO
Chief Executive Officer
CERN
European Organization for Nuclear Research
CFO
Chief Financial Officer
CIA
Central Intelligence Agency
CIO
Chief Information Officer
CISF
Central Industrial Security Force
CMO
Chief Marketing Officer
CNN
Cable News Network
COMPUTER
Common Operating Machine Purposely Used for Technological and Educational Research
COO
Chief Operating Officer
CPO
Chief People Officer
CPR
Cardiopulmonary Resuscitation
CPU
Central Processing Unit
CRM
Customer Relationship Management
CRPF
Central Reserve Police Force
CSR
Corporate Social Responsibility
CSS
Cascading Style Sheets
CSV
Comma-Separated Values
CT
Computed Tomography
CTC
Cost to Company
CTR
Click Through Rate
CVV
Card Security Code
D Letter Full Forms
Short Forms
Full Forms
DA
Dearness Allowance/Daily Allowance
DAP
Development Action Plan
DBMS
Database Management System
DBOD
Department of Banking Operations & Development
DCA
Department of Company Affairs
DCGI
Drugs Controller General of India
DCM
Department of Currency Management
DDT
DichloroDiphenylTrichloroethane
DHCP
Dynamic Host Configuration Protocol
DIY
Do It Yourself
DLC
Downloadable Content
DNA
Deoxyribonucleic Acid
DNS
Domain Name System
DP
Data Processing
DRDO
Defence Research and Development Organisation
DSLR
Digital Single-Lens Reflex
DVD
Digital Versatile Disc
E Letter Full Forms
Short Forms
Full Forms
ERP
Enterprise Resource Planning
ESA
European Space Agency
EU
European Union
EBC
Economically Backward Classes
ECE
Electronic and Communication Engineering
ECG
Electrocardiogram
EMI
Equated Monthly Installment
EPFO
Employees Provident Fund Organization
ER
Engineer/Emergency Room/ Expense Ratio
ENT
Ear Nose Throat
F Letter Full Forms
Short Forms
Full Forms
FAQ
Frequently Asked Questions
FBI
Federal Bureau of Investigation
FCC
Federal Communications Commission
FDA
Food and Drug Administration
FEMA
Foreign Exchange Management Act
FIFA
Fédération Internationale de Football Association
FM
Frequency Modulation
FMCG
Fast Moving Consumer Goods
FTP
File Transfer Protocol
FUP in LIC
First Unpaid Premium
FAO
Food and Agriculture Organization
FAX
Facsimile
FOMO
Fear of Missing Out
FR
False Report
FTA
Free Trade Area
FPO
Follow on Public Offer
G Letter Full Forms
Short Forms
Full Forms
GATE
Graduate Aptitude Test in Engineering
GATT
General Agreement On Tariffs And Trade
GB
GigaByte/Gigabit
GD
Group Discussion/General Duty/General Diary/ Garbage Disposal/ Gigabyte Disk
GDP
Gross Domestic Product
GDPR
General Data Protection Regulation
GHz
Gigahertz
GIF
Graphics Interchange Format
GIS
Geographic Information System
GMT
Greenwich Mean Time
GOI
Government of India
GPRS
General Packet Radio Service
GPS
Global Positioning System
GPU
Graphics Processing Unit
GSM
Global System for Mobile Communications
GST
Goods and Service Tax
GUI
Graphical User Interface
H Letter Full Forms
Short Forms
Full Forms
HAL
Hindustan Aeronautics Limited
HbA1c
Hemoglobin A1c
HCF
Halt and Catch Fire/High Cycle Fatigue, Highest Common Factor/ Hot Channel Factor/Heparin Cofactor/ House Conservatives Fund/ Human Care Foundation/Hispanic College Fund/ Hybridoma Cloning Factor
HCL
Hindustan Computers Limited
HCV
Hepatitis C Virus
HD
High Definition
HDD
Hard Disc Drive
HDFC
Housing Development Finance Corporation Limited
HDMI
High-Definition Multimedia Interface
HIV
Human Immunodeficiency Virus
HTML
Hypertext Markup Language
HTTP
HyperText Transfer Protocol
HTTPS
Hypertext Transfer Protocol Secure
I Letter Full Forms
Short Forms
Full Forms
IAS
Indian Administrative Service
IB
Intelligence Bureau
IBM
International Business Machines
IBPS
Institute of Banking Personnel Selection
ICAI
Institute of Chartered Accountants of India
ICC
International Cricket Council
ICSE
Indian Certificate of Secondary Education
ICU
Intensive Care Unit
IIM
Indian Institutes of Management
IIT
Indian Institutes of Technology
ILO
International Labor Organization
IMAP
Internet Message Access Protocol
IMF
International Monetary Fund
IMPS
Immediate Payment Service
IOC
International Olympic Committee
IoT
Internet of Things
IP
Internet Protocol
IPL
Indian Premier League
IPS
Indian Police Service
IR
Infrared
ISD
International Subscriber Dialing
ISP
Internet Service Provider
ISRO
Indian Space Research Organisation
ITI
Industrial Training Institute
IUPAC
International Union of Pure and Applied Chemistry
J Letter Full Forms
Short Forms
Full Forms
JAIIB
Junior Associate of the Indian Institute of Bankers
JEE
Joint Entrance Examination
JNU
Jawaharlal Nehru University
JPG
Joint Photographic Experts Group
JRF
Junior Research Fellow
K Letter Full Forms
Short Forms
Full Forms
KB
Kilo Base Pair
KEI
Krishna Electricals Industries Limited
KFC
Kentucky Fried Chicken
KRA
Key Result Area/Key Responsibility Area
KTU
Kerala Technological University
KYC
Know Your Customer
L Letter Full Forms
Short Forms
Full Forms
LAN
Local Area Network
LASER
Light Amplification by Stimulated Emission of Radiation
LBW
Leg Before Wicket
LCD
Liquid Crystal Display
LED
Light Emitting Diode
LGBT
Lesbian, Gay, Bisexual, and Transgender
LIC
Life Insurance Corporation of India
LIC HFL
LIC Housing Finance Limited
LLB
Bachelor of Laws/Bachelor of Legislative Laws
LLM
Master of Laws/Master of Legislative Laws
LOL
Laughing Out Loud
LPG
Liquefied Petroleum Gas
LPG
Liquefied Petroleum Gas
LTE
Long-Term Evolution
M Letter Full Forms
Short Forms
Full Forms
M.COM
Master of Commerce
MA
Master of Arts
MAC
Media Access Control
MAN
Metropolitan Area Network
MAT
Minimum Alternative Tax
MB
Megabyte
MBA
Master of Business Administration
MBBS
Bachelor of Medicine and Bachelor of Surgery
MHz
Megahertz
MICR
Magnetic Ink Character Recognition
MIDI
Musical Instrument Digital Interface
ML
Machine Learning
MPPSC
Madhya Pradesh Public Service Commission
MR
Mixed Reality
MRI
Magnetic Resonance Imaging
N Letter Full Forms
Short Forms
Full Forms
NABARD
National Bank for Agriculture and Rural Development
NASA
National Aeronautics and Space Administration
NATO
North Atlantic Treaty Organization
NBA
National Basketball Association
NCC
National Cadet Corps
NCERT
National Council of Educational Research and Training
NDA
National Defence Academy, National Democratic Alliance
NEET
National Eligibility cum Entrance Test
NEFT
National Electronic Funds Transfer
NET
National Eligibility Test
NFC
Near Field Communication
NGO
Non-Governmental Organization
NHL
National Hockey League
NHS
National Health Service
NIA
National Investigation Agency
NIFT
National Institute of Fashion Technology
NIFTY
National Stock Exchange Fifty
NITI
National Institution for Transforming India
NPTEL
National Programme on Technology Enhanced Learning
NRI
Non-Resident Indian
NSG
National Security Guard
NSS
National Service Scheme
NTA
National Testing Agency
O Letter Full Forms
Short Forms
Full Forms
OBC
Other Backward Class
OCD
Obsessive-Compulsive Disorder
ODI
Overseas Direct Investment
OLED
Organic Light Emitting Diode
OMR
Optical Mark Recognition
ONGC
Oil and Natural Gas Corporation
ORS
Oral Rehydration Salt
OS
Operating System
OT
Occupational Therapy
OTP
One-Time Password
OTT
Over-the-Top
P Letter Full Forms
Short Forms
Full Forms
PA
Personal Assistant
PAN
Permanent Account Number
PC
Personal Computer
PCO
Public Call Office
PCOD
Polycystic Ovarian Disease
PDF
Portable Document Format
PG
Paying Guest, Postgraduate
PGA
Professional Golfers’ Association
PhD
Doctor of Philosophy
PIN
Personal Identification Number
PMJDY
Pradhan Mantri Jan Dhan Yojana
PNG
Portable Network Graphics
PNR
Passenger Name Record
PPM
Parts Per Million
PPP
Purchasing Power Parity
PSU
Public Sector Undertaking
Q Letter Full Forms
Short Forms
Full Forms
QA
Quality Assurance
QIP
Qualified Institutional Placement
QLED
Quantum Dot Light Emitting Diode
QUAD
Quadrilateral Security Dialogue (QSD)
QR
Quick Response Code / Quantitative Restriction
R Letter Full Forms
Short Forms
Full Forms
RAS
Rajasthan Administrative Services
RAM
Random Access Memory
RAW
Research and Analysis Wing
RBC
Red Blood Cell
RBI
Reserve Bank of India
RFID
Radio-Frequency Identification
RIP
Rest In Peace, Routing Information Protocol
RNA
Ribonucleic Acid
RNN
Recurrent Neural Network
ROI
Return on Investment
ROM
Read-Only Memory
RPSC
Rajasthan Public Service Commission
RRB NTPC
Railway Recruitment Board Non Technical Popular Categories
Answer: An abbreviation is a shortened form of a word or phrase (e.g., “ASAP” for As Soon As Possible).
2. What’s the difference between an abbreviation and an acronym?
Answer: Abbreviation: Shortened form, often with periods (e.g., Dr. for Doctor). Acronym: Pronounced as a word, formed from initials (e.g., NASA for National Aeronautics and Space Administration).
3. Why are abbreviations used?
Answer: Save time and space in communication. Simplify complex terms (e.g., CPU for Central Processing Unit). Standardize terminology in fields like medicine (e.g., MRI) or tech (e.g., HTML).
4. What are some common abbreviation categories?
Answer: Technology: AI (Artificial Intelligence), VPN (Virtual Private Network) Education: PhD (Doctor of Philosophy), MBA (Master of Business Administration) Medical: BP (Blood Pressure), ICU (Intensive Care Unit) General: FYI (For Your Information), RSVP (Répondez S’il Vous Plaît)
5. How can I remember abbreviations?
Answer: # Use flashcards or quizzes. # Associate them with full forms (e.g., GPS → Global Positioning System). # Practice through daily use (e.g., texting, emails).
6. Are abbreviations formal or informal?
Answer: Formal: Used in professional/docs (e.g., CEO, ISBN). Informal: Common in chats (e.g., LOL, BTW). Always check context!
7. Where can I find a full list of abbreviations
Answer: # Dictionaries (Oxford, Merriam-Webster). # Industry-specific guides (medical, IT). # Online resources like Wikipedia or abbreviation databases.
