0 past simple and past participle of complain
1 to say that something is wrong or not satisfactory:
Over three hundred listeners phoned in to complain about the programme.
Teachers complain that more of their time is taken up with administration than with teaching.
They were afraid to complain about the noise in case they annoyed the neighbours.
She was complaining about all the sex and violence on television.
After her fall she complained that she couldn't bend her leg properly.
Delegates regularly complained of long days in meetings and many days away from work and family.
If litigation over the initial terms of hire was infrequent, mariners often complained when masters or merchants changed a ship's destination midvoyage.
He often complained about the 'moralistic attitude' which seemed to motivate many of his critics.