Common Abbreviations

In our daily lives, we always use some common abbreviations for easier understanding and to save time in this busy life.

Abbreviations are also used in all fields for their effectiveness. So it is wise to know some of the most important and common abbreviations in English.

Definition of Abbreviations

Abbreviations are shortened forms of words or phrases used to save space, simplify communication, or represent terms concisely. They are widely used in various fields, such as general communication, technology, education, medicine, and business.

Uses of Abbreviations

• Saves Time: Speeds up writing and reading.
• Standardization: Facilitates universal understanding in specialized fields.
• Simplifies Complex Terms: Makes technical language more accessible.
• Space Efficiency: Reduces word count, especially useful in written media.

---

1. General Use Abbreviations

1. etc. - et cetera (and so on)
2. e.g. - exempli gratia (for example)
3. i.e. - id est (that is)
4. vs. - versus (against)
5. FYI - For Your Information
6. ASAP - As Soon As Possible
7. DIY - Do It Yourself
8. RIP - Rest in Peace
9. AKA - Also Known As
10. TBD - To Be Determined
11. ETA - Estimated Time of Arrival
12. FAQ - Frequently Asked Questions
13. BYOB - Bring Your Own Bottle
14. BRB - Be Right Back
15. BTW - By The Way
16. IMO - In My Opinion
17. TL;DR - Too Long; Didn’t Read
18. IDK - I Don’t Know
19. RSVP - Répondez S’il Vous Plaît (Please Respond)
20. VIP - Very Important Person

---

2. Technology Abbreviations

1. CPU - Central Processing Unit
2. URL - Uniform Resource Locator
3. IP - Internet Protocol
4. USB - Universal Serial Bus
5. HTML - HyperText Markup Language
6. HTTP - HyperText Transfer Protocol
7. VPN - Virtual Private Network
8. RAM - Random Access Memory
9. ROM - Read-Only Memory
10. OS - Operating System
11. IoT - Internet of Things
12. AI - Artificial Intelligence
13. API - Application Programming Interface
14. SEO - Search Engine Optimization
15. QR - Quick Response
16. LAN - Local Area Network
17. Wi-Fi - Wireless Fidelity
18. DNS - Domain Name System
19. SSD - Solid-State Drive
20. SMS - Short Message Service

---

3. Education Abbreviations

1. PhD - Doctor of Philosophy
2. MA - Master of Arts
3. MSc - Master of Science
4. BA - Bachelor of Arts
5. BSc - Bachelor of Science
6. GPA - Grade Point Average
7. GRE - Graduate Record Examination
8. SAT - Scholastic Assessment Test
9. TOEFL - Test of English as a Foreign Language
10. ESL - English as a Second Language
11. STEM - Science, Technology, Engineering, Mathematics
12. MOOC - Massive Open Online Course
13. UG - Undergraduate
14. PG - Postgraduate
15. CBSE - Central Board of Secondary Education
16. ICSE - Indian Certificate of Secondary Education
17. AICTE - All India Council for Technical Education
18. UGC - University Grants Commission
19. NET - National Eligibility Test
20. JEE - Joint Entrance Examination

---

4. Medical Abbreviations

1. BP - Blood Pressure
2. ICU - Intensive Care Unit
3. ECG - Electrocardiogram
4. MRI - Magnetic Resonance Imaging
5. OT - Operation Theatre
6. ENT - Ear, Nose, and Throat
7. ADHD - Attention Deficit Hyperactivity Disorder
8. HIV - Human Immunodeficiency Virus
9. AIDS - Acquired Immunodeficiency Syndrome
10. TB - Tuberculosis
11. CT - Computed Tomography
12. IVF - In Vitro Fertilization
13. WHO - World Health Organization
14. CDC - Centers for Disease Control and Prevention
15. BMI - Body Mass Index
16. DNA - Deoxyribonucleic Acid
17. RNA - Ribonucleic Acid
18. CPR - Cardiopulmonary Resuscitation
19. ER - Emergency Room
20. PPE - Personal Protective Equipment

---

5. Business Abbreviations

1. CEO - Chief Executive Officer
2. CFO - Chief Financial Officer
3. COO - Chief Operating Officer
4. HR - Human Resources
5. ROI - Return on Investment
6. KPI - Key Performance Indicator
7. R&D - Research and Development
8. B2B - Business-to-Business
9. B2C - Business-to-Consumer
10. LLC - Limited Liability Company
11. IPO - Initial Public Offering
12. MOU - Memorandum of Understanding
13. P&L - Profit and Loss
14. CSR - Corporate Social Responsibility
15. EOD - End of Day
16. FY - Fiscal Year
17. T&C - Terms and Conditions
18. NDA - Non-Disclosure Agreement
19. SLA - Service Level Agreement
20. SME - Small and Medium Enterprises

Global Organizations

1. UN - United Nations
2. WHO - World Health Organization
3. WTO - World Trade Organization
4. IMF - International Monetary Fund
5. UNESCO - United Nations Educational, Scientific and Cultural Organization
6. UNICEF - United Nations International Children's Emergency Fund
7. NATO - North Atlantic Treaty Organization
8. OECD - Organisation for Economic Co-operation and Development
9. ICC - International Criminal Court
10. ICRC - International Committee of the Red Cross

Economic and Financial Organizations

11. OPEC - Organization of the Petroleum Exporting Countries
12. EU - European Union
13. G7 - Group of Seven
14. G20 - Group of Twenty
15. ASEAN - Association of Southeast Asian Nations
16. SAARC - South Asian Association for Regional Cooperation
17. BRICS - Brazil, Russia, India, China, and South Africa
18. ADB - Asian Development Bank
19. WBG - World Bank Group
20. AIIB - Asian Infrastructure Investment Bank

Scientific and Technological Organizations

21. NASA - National Aeronautics and Space Administration (USA)
22. ISRO - Indian Space Research Organisation
23. ESA - European Space Agency
24. CERN - European Organization for Nuclear Research
25. ITU - International Telecommunication Union
26. IUCN - International Union for Conservation of Nature
27. FAO - Food and Agriculture Organization
28. IAEA - International Atomic Energy Agency
29. IPCC - Intergovernmental Panel on Climate Change
30. WIPO - World Intellectual Property Organization

Security and Legal Organizations

31. FBI - Federal Bureau of Investigation (USA)
32. CIA - Central Intelligence Agency (USA)
33. RAW - Research and Analysis Wing (India)
34. MI6 - Military Intelligence, Section 6 (UK)
35. Interpol - International Criminal Police Organization
36. NSA - National Security Agency (USA)
37. CBI - Central Bureau of Investigation (India)
38. NIA - National Investigation Agency (India)
39. SCOTUS - Supreme Court of the United States
40. ICC - International Cricket Council (Sports and Judiciary context)

Government and Administrative Organizations

1. ISRO - Indian Space Research Organisation
2. DRDO - Defence Research and Development Organisation
3. BSNL - Bharat Sanchar Nigam Limited
4. UIDAI - Unique Identification Authority of India
5. NITI Aayog - National Institution for Transforming India
6. IRCTC - Indian Railway Catering and Tourism Corporation
7. CBI - Central Bureau of Investigation
8. RAW - Research and Analysis Wing
9. NIA - National Investigation Agency
10. SEBI - Securities and Exchange Board of India

Financial Organizations

11. RBI - Reserve Bank of India
12. SBI - State Bank of India
13. LIC - Life Insurance Corporation of India
14. NABARD - National Bank for Agriculture and Rural Development
15. IDBI - Industrial Development Bank of India
16. EXIM Bank - Export-Import Bank of India
17. NPCI - National Payments Corporation of India
18. PNB - Punjab National Bank
19. IRDAI - Insurance Regulatory and Development Authority of India
20. ICICI - Industrial Credit and Investment Corporation of India

Education and Research Organizations

21. IIT - Indian Institute of Technology
22. AIIMS - All India Institute of Medical Sciences
23. IIM - Indian Institute of Management
24. UGC - University Grants Commission
25. CSIR - Council of Scientific and Industrial Research
26. ICAR - Indian Council of Agricultural Research
27. AICTE - All India Council for Technical Education
28. IGNOU - Indira Gandhi National Open University
29. NCERT - National Council of Educational Research and Training
30. CBSE - Central Board of Secondary Education

Environmental and Conservation Organizations

31. MoEFCC - Ministry of Environment, Forest and Climate Change
32. WWF-India - World Wide Fund for Nature - India
33. CPCB - Central Pollution Control Board
34. BIS - Bureau of Indian Standards
35. TERI - The Energy and Resources Institute

Public Sector and Industrial Organizations

36. BHEL - Bharat Heavy Electricals Limited
37. ONGC - Oil and Natural Gas Corporation
38. SAIL - Steel Authority of India Limited
39. HAL - Hindustan Aeronautics Limited
40. GAIL - Gas Authority of India Limited

Transport and Communication Organizations

41. AAI - Airports Authority of India
42. NHAI - National Highways Authority of India
43. DMRC - Delhi Metro Rail Corporation
44. AAAL - Air India Asset Holding Limited
45. MTNL - Mahanagar Telephone Nigam Limited

Indian Tech/IT Giants

1. TCS - Tata Consultancy Services
2. Infosys - Information Systems
3. Wipro - Western India Palm Refined Oil (originally an oil company)
4. HCL - Hindustan Computers Limited
5. Tech Mahindra - Technology arm of the Mahindra Group
6. Reliance Jio - Joint Implementation Opportunities
7. Mindtree - Not an acronym; conceptual name
8. Cognizant - Derived from "cognizance" (knowledge or awareness)
9. Zoho - Zoom One Host Office
10. Paytm - Pay Through Mobile

General Social Media Terms

1. SM - Social Media
2. DM - Direct Message
3. PM - Private Message
4. IM - Instant Messaging
5. AMA - Ask Me Anything
6. FYI - For Your Information
7. TL;DR - Too Long; Didn’t Read
8. IRL - In Real Life
9. NSFW - Not Safe For Work
10. BTW - By The Way

---

Platform-Specific Abbreviations

1. FB - Facebook
2. IG - Instagram
3. TW - Twitter (now X)
4. YT - YouTube
5. LI - LinkedIn
6. WA - WhatsApp
7. TT - TikTok
8. SC - Snapchat
9. RDT - Reddit
10. P - Pinterest

---

Engagement and Metrics

1. SEO - Search Engine Optimization
2. CTR - Click-Through Rate
3. CPC - Cost Per Click
4. ROI - Return On Investment
5. KPI - Key Performance Indicator
6. UGC - User-Generated Content
7. CTA - Call To Action
8. ORM - Online Reputation Management
9. FOMO - Fear Of Missing Out
10. ROI - Return On Investment

---

Hashtag and Interaction Abbreviations

1. TBT - Throwback Thursday
2. OOTD - Outfit Of The Day
3. ICYMI - In Case You Missed It
4. BRB - Be Right Back
5. LOL - Laugh Out Loud
6. SMH - Shaking My Head
7. IDK - I Don’t Know
8. YOLO - You Only Live Once
9. BTW - By The Way
10. JK - Just Kidding