A2verb1K

Complain

UK /["/kəmˈpleɪn/","/kəmˈpleɪnz/","/kəmˈpleɪnd/","/kəmˈpleɪnɪŋ/"]/US /["/kəmˈpleɪn/","/kəmˈpleɪnz/","/kəmˈpleɪnd/","/kəmˈpleɪnɪŋ/"]/

Definition

to say that you are annoyed, unhappy or not satisfied about somebody/something

In simple words: To say you are unhappy about something.

Examples

  • She always likes to complain about her job.
  • He didn't want to complain because he wanted to avoid conflict.
  • You can complain to the manager if the service is bad.
  • They tend to complain when they are not satisfied with their food.
  • The students complain about the amount of homework they receive.

Usage notes

Use 'complain' when expressing dissatisfaction. It's neutral and fits most contexts. Avoid in formal writing where more courteous language might be preferred.

Grammar pattern

complain + about + object

Memory hint

Think of a 'camp pain' – imagine someone in a camp grumbling about their uncomfortable sleeping bag.

Collocations

  • bitterly
  • loudly
  • constantly
  • cannot
  • can hardly
  • have cause to
  • about
  • at
  • to

Synonyms

  • protest
  • grumble
  • moan
  • whine
  • lament

Antonyms

  • praise
  • approve
  • agree

Common mistakes

  • 'Complain' is often confused with 'compliment', which has a positive meaning.
  • Learners may forget to include 'about' after 'complain'.
  • Using 'complain' in overly formal situations can sound rude.