In the English language, abbreviations are sometimes used when writing or speaking. Many people may find it difficult to decipher these abbreviations. Here is the list of most commonly used abbreviations which should be known to everyone:
1 ASAP– As Soon As Possible
2 FAQ– Frequently Asked Questions
3 CEO– Chief Executive Officer
4 Wi-Fi– Wireless Fidelity
5 SIM– Subscriber Identity Module
6 AI– Artificial Intelligence
7 RAM– Random Access Memory
8 ATM– Automated Teller Machine
9 RSVP– Repondez S’il Vous Plait ( Please Respond)
10 HR– Human Resources
11 PDF– Portable Document Format
12 DIY– Do It Yourself
13 GPS– Global Positioning System
14 USB– Uniform Serial Bus
15 CPU– Central Processing Unit
16 PIN– Personal Identity Number
17 GB– Giga Byte
18 TB– Tetra Byte
19 PS– Post Script
20 ETA– Estimated Time of Arrival
21 DOB– Date of Birth
22 BP– Blood Pressure
23 ICU– Intensive Care Unit
24 ECG– Electrocardiogram
25 HIV– Human Immunodeficiency Virus
26 AIDS– Acquired Immune Deficiency Syndrome
27DNA– Deoxyribnucleic Acid
28 BMI– Body Mass Index
29 MRI– Magnetic Resonance Imaging
30 SME-Small and Medium size Enterprise
31 IPO– Initial Public offering
32 GDP– Gross Domestic Product
33 ROI– Return On Investment
34 VAT– Value added Tax
35 GST– Goods and Service Tax
36 MSME– Micro, Small and Medium Enterprise
37 IMO- In My opinion
38 LOL– Laugh Out Loud
39 BRB– Be Right Back
40 TDA– To Be Announce
41 EOD– End Of Day
42 DM– Direct Message
43 ETD– Estimated Time of Departure
44 OMR– Optical Max Recognition
45 BCC– Blind Carbon copy
46 CC– Carbon Copy
47 URL-Uniform Resource Locator
48 HTTP– Hyper Text Transfer Protocol
49 HTTPS– Hyper Text Transfer Protocol Secure
50 HTML– hyper Text Markup Language
51 CSS– Cascading Style Sheets
52 API– Application Programme Interface
53 UX– User Experience
54 UI – User Interface
55 IoT– Internet of Things
56 SMS– Short Message Service
57 OTP– One Time Password
58 CCTV– Close Circuit Television
59 PAN– Permanent Account Number
60 A/C– Air Conditioning/Account
61 BYOB– Bring Your Own Bottle
62 NGO– Non Government Organisation
63 CSO– Chief Security Officer
64 CFO– Chief finance Officer
65 COO– Chief operating Officer
66 CEO– Chief Executive Officer
67 MD– Managing Director or Doctor of Medicine
68 PhD– doctor of Philosphy
69 MBA– Master of Business Administration
70 BBA– bachelor of Business Administration
71 UG– Under Graduate
72 PG– Post Graduate
73 GMC– General Medical Council
74 WHO– World Health Organisation
75 UNICEF– United Nation Children Fund
76 ILO– International Labour Organisation
77 NASA– National Aeronautics and Space Administration
78 ISRO– Indian Space Research Organisation
79 FIR– First Information Report
80 CPR– Cardiopulmonary Resuscitation
81 OTC– Over The Counter
82 MVP– Most Valuable Player
83 PTM– Player of The Tournament
84 MOM– Man Of the Match
85 POS– Player of Series
86 MMS– Master in Management Science
87 SOP– Standard Operating Procedure
88 TDS– Tax Deducted at Source
89 LAN– Local Area Network
90 DTH– Direct To Home
91 WAN– Wide Area Network
92 VPN– Virtual Private Number
93 IRCTC– Indian Railway Catering and Tourism Corporation
94 RFI– Request For Information
95 RFID– radio Frequency Identification
96 LED– Light Emitting Diode
97 ETE– Estimated Time En route
98 TBD– To Be Determined
99 CIC– Commander In Chief
100 CDS– Chief of Defence Staff
Waiting for your views on this blog.
Anil Malik
Mumbai, India
3rd July 2025