Information Technology (IT) Vocabulary for ESL

Working in Information Technology
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The Information Technology Field is large and accounts for a lot of jobs. If English isn't your native language, it can be difficult to know what vocabulary you need to use for work or talking about the industry. You can find the right words in the Occupational Handbook provided by the United States Department of Labor, but looking through all of them can be overwhelming.

To make things easier, here is a list of some of the most important English vocabulary items for the information technology field, selected from the Occupational Handbook. This list is by no means complete. However, it provides a good starting point to further explore the vocabulary you'll use in the industry. Each word includes its ​part of speech. There are a number of suggestions at the end of the list to help you build on and further improve your vocabulary.

Top Information Technology Vocabulary

  1. Ability - (noun)
  2. Accounting - (noun)
  3. Addition - (noun)
  4. Adequate - (adjective)
  5. Administrator - (noun)
  6. Advance - (noun / verb)
  7. Analysis - (noun)
  8. Analysts - (noun)
  9. Analyze - (verb)
  10. Annual - (adjective)
  11. Application - (noun)
  12. Architect - (noun)
  13. Area - (noun)
  14. Arise - (verb)
  15. Associate - (noun / verb)
  16. Background - (noun)
  17. Business - (noun)
  18. Carpal - (adjective)
  19. Carrier - (noun)
  20. Certification - (noun)
  21. Chapter - (noun)
  22. Chief - (noun)
  23. Code - (noun / verb)
  24. Common - (adjective)
  25. Communicate - (verb)
  26. Communication - (noun)
  27. Competitive - (adjective)
  28. Computer - (noun)
  29. Computing - (noun)
  30. Concentrate - (noun / verb)
  31. Considerable - (adjective)
  32. Consultant - (noun)
  33. Consulting - (noun)
  34. Coordinate - (verb)
  35. Create - (verb)
  36. Customer - (noun)
  37. Cyber - (adjective)
  38. Data - (noun)
  39. Database - (noun)
  40. Deal - (noun / verb)
  41. Decline - (verb)
  42. Demand - (noun / verb)
  43. Design - (noun)
  44. Designer - (noun)
  45. Detailed - (adjective)
  46. Determine - (verb)
  47. Developer - (noun)
  48. Development - (noun)
  49. Discussion - (noun)
  50. Effectively - (adverb)
  51. Efficiency - (noun)
  52. Electronic - (adjective)
  53. Employ - (verb)
  54. Engineering - (noun)
  55. Engineer - (noun)
  56. Enterprise - (noun)
  57. Environment - (noun)
  58. Equipment - (noun)
  59. Expertise - (noun)
  60. Eyestrain - (noun)
  61. Finance - (noun)
  62. Financial - (adjective)
  63. Firm - (noun)
  64. Force - (noun / verb)
  65. Function - (noun)
  66. Goal - (noun)
  67. Graduate - (noun / verb)
  68. Hardware - (noun)
  69. Implementation - (noun)
  70. Install - (verb)
  71. Institution - (noun)
  72. Instruction - (noun)
  73. Insurance - (noun)
  74. Integrate - (verb)
  75. Intranet - (noun)
  76. Introductory - (noun)
  77. Involved - (adjective)
  78. Keyboard - (noun)
  79. Knowledge - (noun)
  80. Laboratory - (noun)
  81. Language - (noun)
  82. Latest - (superlative adjective)
  83. Lead - (noun / verb)
  84. Leadership - (noun)
  85. Level - (noun)
  86. Location - (noun)
  87. Lowest - (superlative adjective)
  88. Maintain - (verb)
  89. Maintenance - (noun)
  90. Marketing - (noun)
  91. Mathematics - (noun)
  92. Matrix - (noun)
  93. Median - (noun)
  94. Mobile - (adjective)
  95. Monitor - (noun / verb)
  96. Nature - (noun)
  97. Network - (noun)
  98. Networking - (noun)
  99. Officer - (noun)
  100. Office - (noun)
  101. Offshore - (adjective)
  102. Order - (noun / verb)
  103. Organization - (noun)
  104. Outsourcing - (noun)
  105. Oversee - (verb)
  106. Pdf - (noun)
  107. Perform - (verb)
  108. Performance - (noun)
  109. Period - (noun)
  110. Plan - (noun / verb)
  111. Prevailing - (adjective)
  112. Problem - (noun)
  113. Process - (noun / verb)
  114. Product - (noun)
  115. Program - (noun / verb)
  116. Programmer - (noun)
  117. Project - (noun)
  118. Projections - (noun)
  119. Promoted - (adjective)
  120. Prospect - (noun)
  121. Provide - (verb)
  122. Publishing - (noun)
  123. Rapid - (adjective)
  124. Reduce - (verb)
  125. Relevant - (adjective)
  126. Remote - (adjective)
  127. Replace - (verb)
  128. Research - (noun / verb)
  129. Resource - (noun)
  130. Respond - (verb)
  131. Rounded - (adjective)
  132. Sales - (noun)
  133. Science - (noun)
  134. Scientific - (adjective)
  135. Scientist - (noun)
  136. Section - (noun)
  137. Security - (noun)
  138. Service - (noun)
  139. Simultaneously - (adverb)
  140. Site - (noun)
  141. Software - (noun)
  142. Sophisticated - (adjective)
  143. Specialist - (noun)
  144. Specialized - (adjective)
  145. Specific - (adjective)
  146. Spend - (verb)
  147. Staff - (noun)
  148. Statistic - (noun)
  149. Substantial - (adjective)
  150. Sufficient - (adjective)
  151. Support - (noun / verb)
  152. Syndrome - (noun)
  153. System - (noun)
  154. Task - (noun)
  155. Technical - (adjective)
  156. Technician - (noun)
  157. Technological - (adjective)
  158. Technology - (noun)
  159. Telecommunications - (noun)
  160. Title - (noun)
  161. Tool - (noun)
  162. Training - (noun)
  163. Transfer - (noun / verb)
  164. Uncommon - (adjective)
  165. Understanding - (noun)
  166. User - (noun)
  167. Variety - (noun)
  168. Vendor - (noun)
  169. Web - (noun)
  170. Webmaster - (noun)
  171. Wireless - (adjective)
  172. Worker - (noun)
  173. Workplace - (noun)

Improving Your Vocabulary Tips

  • Review each word in the list. Do you know it's meaning? If not, look it up in the dictionary.
  • Use each word in a sentence. Using a new word both when speaking and writing will help you remember it.
  • Use the words to describe your job, or working in the information technology profession in general. How specific can you be? Which words do you need beyond this list? Make sure to keep track.
  • Learn synonyms and antonyms by using an online thesaurus to further extend your vocabulary.
  • Use a visual dictionary. It will help you learn the names of specific equipment used in the industry.
  • Listen to co-workers and note how they use these words. Ask co-workers about new words when you're not sure.
  • Ask co-workers questions about how new words are used at work.
  • Search online for information about information technology. Listen to podcasts on the subject, read a blog about agriculture. Keep informed in English and your knowledge of related vocabulary will grow quickly.