UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/kəmˈpleɪn/US:USA pronunciation: IPA and respellingUSA pronuncation: IPA/kəmˈpleɪn/ ,USA pronunciation: respelling(kəm plān)

WordReference Collins English Usage © 2020
‘complain about’
If you complain about something, you say that it is wrong or unsatisfactory.
Mothers complained about the lack of play space.
She never complains about the weather.
Be careful
Don't use ‘over’ or ‘on’ after complain. Don't say, for example, ‘Mothers complained over the lack of play space’ or ‘She never complains on the weather’.
‘complain of’
If you complain of a pain, you say that you have it.
He complained of a headache.
Many patients complain of a lack of energy.
'complain' also found in these entries:

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