300 Formal and Informal Words List for IELTS

In the English language, there are two types of words: formal and informal. Formal words are used in academic and business writing while informal words are commonly used in everyday conversations. Knowing when to use formal or informal English can be a tricky task for students preparing for the IELTS exam. To help you out, here is a list of formal and informal words that you can use in your next IELTS essay.

Formal and Informal Words List for IELTS

Formal and Informal Words List for IELTS

Below is the list of 300 formal and informal words for IELTS.

  1. Check – Verify
  2. Come after – Follow
  3. Anyways – Nevertheless
  4. Cheap  – Inexpensive
  5. Adequate – Sufficient
  6. Link up – Connect
  7. Break down – Fail/Collapse
  8. Bright/smart – Intelligent
  9. Help – Assist
  10. Ask – Enquire
  11. Make up – Fabricate
  12. Keep – Preserve
  13. Call on – Visit
  14. Demand – Request
  15. Make out – Discern
  16. Bring in – Introduce
  17. Bring in – Introduce
  18. A bit – A little
  19. Look for – Seek
  20. Call on – Visit
  21. Go after  – Pursue
  22. Expect – Anticipate
  23. Young – Youthful
  24. Also In  – Addition,
  25. Go on  – Continue
  26. Wrong – Incorrect
  27. Hungry – Famished
  28. Really big – Considerable
  29. Free  – Liberate
  30. Speed up – Accelerate
  31. Get by – Survive
  32. Look up to – Respect
  33. Give – Donate
  34. At first – Initially
  35. Good – Positive
  36. Talk into – Persuade
  37. Fight  – Combat
  38. Beginning – Start
  39. Put/ set down – Deposit
  40. Worse – Inferior
  41. Better – Improved
  42. Tough – Difficult
  43. Use – Utilize
  44. Death – Demise
  45. Drop out  – of Withdraw (from)
  46. Tell – Inform
  47. Chance – Opportunity
  48. Good for – Beneficial
  49. Describe – Depict
  50. Settle for – Choose
  51. Lively – Energetic
  52. Ask Out – Invite
  53. Get by – Survive
  54. Get – Receive
  55. Sick – Ill
  56. Let – Permit
  57. Can Is  – capable of
  58. Throw out – Eject
  59. Rich – Wealthy
  60. Describe – Depict
  61. Expect  – Anticipate
  62. Old – Elderly
  63. Mend – Repair
  64. Go on – Continue
  65. Enough  – Sufficient
  66. Belongings – Possessions
  67. Throw away – Discard
  68. Put in – Insert
  69. Big/Large – Enormous
  70. Right – Correct
  71. Free – Release
  72. Try out – Test
  73. Go before – Precede
  74. Cheap – Inexpensive
  75. Maybe – Perhaps
  76. Fork out – Pay (money)
  77. Fall out – Quarrel
  78. Bright/smart – Intelligent
  79. Buy – Purchase
  80. Iron out – Solve/overcome
  81. Get out  – Escape
  82. Okay, ok – Acceptable
  83. So – Therefore
  84. Look like – Resemble
  85. Go down  – Decrease
  86. Let – Allow
  87. Block – Undermine
  88. Dad – Father
  89. Good for – Beneficial
  90. Coincide – Agree
  91. Get out – Escape
  92. Danger – Peril
  93. Come in  – Enter
  94. Go up – Increase
  95. Childish – Immature
  96. Can – Is capable of
  97. Fork out  – Pay (money)
  98. End – Terminate/ Finish
  99. Deal with – Manage
  100. Rack up – Accumulate
  101. Danger  – Peril
  102. Explain – Disclose
  103. End – Terminate
  104. Also – In addition, additionally
  105. Ease  – Facilitate
  106. Colloquialism – Slang
  107. Avoid – Evade
  108. Put off – Postpone
  109. Call off  – Cancel
  110. Book – Reserve
  111. Ease – Facilitate
  112. Go after – Pursue
  113. Chance – Opportunity
  114. Challenge – Test
  115. Give – Donate
  116. Naked – Nude
  117. Check  – Verify
  118. Arrangement – Agreement
  119. Want/ hope – Desire
  120. Thanks – Gratitude
  121. Break out  – Erupt
  122. Big/Large – Enormous
  123. Say no – Reject
  124. Next/later – Subsequently
  125. Go  – Depart
  126. Round – Circular
  127. Clear – Transparent
  128. Away  – Absent
  129. Hit out at  – Criticise
  130. Achieve – Accomplish
  131. Pick up – Collect
  132. Whole – Entire/Complete
  133. At Once  – Immediately
  134. Hungry – Famished
  135. Assurance – Guarantee
  136. Lack – Deficiency
  137. Hurry – Haste, hasten
  138. Block  – Undermine
  139. In the end – Finally
  140. See – Observe
  141. Dirty/ polluted – Contaminated
  142. Empty  – Vacant
  143. Away – Absent
  144. Choose – Select
  145. Drop out of – Withdraw (from)
  146. Good looking  – Attractive
  147. Start/ Begin – Commence
  148. Free – Liberate
  149. Take out – Remove
  150. Dirty/ polluted  – Contaminated
  151. Use/Eat – Consume
  152. Give up – Quit
  153. Complex – Convoluted
  154. Death – Demise
  155. Mad – Insane
  156. Give – Provide
  157. Come up to – Reach/attain
  158. Get  – Receive
  159. Stop – Cease
  160. Find out – Learn/Discover
  161. A Bit  – A Little
  162. Go against – Oppose
  163. Appearance – Look
  164. Hurt – Damage, harm
  165. Clothes – Garment
  166. Bad  – Negative
  167. Stop  – Cease
  168. Fight – Combat
  169. Happy – Pleased
  170. Lead to – Cause
  171. Dim  – Indistinct
  172. Fall out – Quarrel
  173. Live – Reside
  174. Ask For – Request
  175. Go away – Leave/ depart
  176. Go – Depart
  177. Older – Senior
  178. Go out of – Exit
  179. Deal  – with Manage
  180. Lucky – Fortunate
  181. Leave out – Omit
  182. Again & again – Repeatedly
  183. Enjoyment  – Gratification
  184. But – However
  185. Go against – Oppose
  186. Marvelous – Exceptional
  187. friendly  – Amiable
  188. Set out – Display
  189. Empty – Vacant
  190. Wood – Timber
  191. Eager – Avid
  192. Say sorry – Apologies
  193. At once – Immediately
  194. Laid back – Relaxed
  195. Clothes  – Garment
  196. Seem – Appear
  197. Get – Obtain
  198. Ask – Enquire
  199. Go out of  – Exit
  200. Try – Endeavour
  201. Bad – Negative
  202. Over – At an end
  203. Dare  – Challenge
  204. Characteristic – Trait
  205. Remove – Eliminate
  206. Childish – Infantile
  207. Come after  – Follow
  208. Applicable – Relevant
  209. Go down – Decrease
  210. Go before – Precede
  211. Beat up – Assault
  212. Attainment – Achievement
  213. Show – Demonstrate
  214. Funny – Humorous, amusing
  215. Blow up – Explode
  216. Choice – Option
  217. Imagine – Envisage
  218. A lot of – Numerous
  219. Choose – Select
  220. Categorize – Classify
  221. Give out – Distribute
  222. Kidding – Jesting
  223. Break down – Fail/Collapse
  224. Available – Accessible
  225. Brave – Courageous
  226. Better – Improved
  227. Boss  – Employer
  228. Eager – Avid
  229. Point out – Indicate
  230. Again & Again   – Repeatedly
  231. Give out – Distribute
  232. Help – Assist
  233. Ask out – Invite
  234. Sweat – Perspiration
  235. Come up  – to Reach/attain
  236. Friendly – Amiable
  237. Sight – Vision
  238. Avoid – Evade
  239. Go up  – Increase
  240. Call off – Cancel
  241. Dare – Challenge
  242. Catch up – Understand
  243. Get away – Elude
  244. Boss – Employer
  245. Avoid – Evade
  246. Go ahead  – Proceed
  247. Get  – Obtain
  248. Ask for – Request
  249. Test – Experiment
  250. Go ahead – Proceed
  251. Childish  – Infantile
  252. Apparent – Obvious
  253. Refer to – Consult
  254. Tired – Exhausted/ Fatigued
  255. But  – However
  256. Speed up  – Accelerate
  257. Acquire – Obtain
  258. Think of – Conceive
  259. Blow up – Explode
  260. A Lot Of  – Numerous
  261. Here  – Present
  262. Beat up – Assault
  263. Pay back – Repay
  264. At First – Initially
  265. Get away – Elude
  266. Annual – Yearly
  267. Build – Construct
  268. Hit out at – Criticise
  269. Build  – Construct
  270. Show  – Demonstrate
  271. Say – Express
  272. Idea – Notion
  273. In charge of – Responsible
  274. Explain  – Disclose
  275. Advantageous – Beneficial
  276. Think about – Consider
  277. Hopeless – Futile
  278. Buy  – Purchase
  279. Hopeless – Futile
  280. Compare – Contrast
  281. Go through – Examine
  282. Here – Present
  283. Complex  – Convoluted
  284. Climb – Ascend
  285. Need – Require
  286. Afraid – Fearful
  287. Give up – Quit
  288. Small – Diminutive
  289. Enough – Sufficient
  290. Break off – Suspend/adjourn
  291. End  – Terminate/ Finish
  292. Afraid – Fearful
  293. Mainly – Principally
  294. Enjoyment – Gratification
  295. End  – Terminate
  296. Circumstance – Situation
  297. Break out – Erupt
  298. Stubborn – Obstinate
  299. Clear  – Transparent
  300. Kids – Children

Related: 1000+ List of Formal and Informal Words