“complain”

To grumble or complain persistently, especially about trivial matters.

“He spent the entire train ride grousing about the lukewarm coffee.”

Best for: Casual but colorful; works well in British English and informal writing.

To complain habitually and at length about minor grievances.

“My neighbor kvetches about the recycling bins every single Tuesday.”

Best for: Yiddish-rooted; perfect for describing chronic, low-stakes complainers with some affection.

To protest or object forcefully and with reasoned argument.

“She remonstrated with the committee over their hasty decision to close the library.”

Best for: Formal contexts; implies a degree of dignity and logical basis behind the complaint.

To reason earnestly with someone in protest or disapproval.

“He expostulated at length about the unfairness of the new policy.”

Best for: Literary and formal; suggests a passionate, reasoned objection rather than mere whining.

To speak or write about something with great hostility and vehement protest.

“The pamphleteer inveighed bitterly against the corruption rotting the city's courts.”

Best for: Best for written or rhetorical contexts; carries a tone of moral outrage and force.

To whine or complain loudly and persistently in an irritating manner.

“The tourists yammered about the heat until everyone within earshot wanted to flee.”

Best for: Informal and vivid; implies noise, repetition, and mild contempt for the complainer.