Definition from Wiktionary, the free dictionary
- To object to something vociferously; to rail against in speech.
- To recite, e.g., poetry, in a theatrical way; to speak for rhetorical display; to speak pompously, noisily, or theatrically; to make an empty speech; to rehearse trite arguments in debate; to rant.
- Grenville seized the opportunity to declaim on the repeal of the stamp act.
- To speak rhetorically; to make a formal speech or oration; specifically, to recite a speech, poem, etc., in public as a rhetorical exercise; to practice public speaking.
- The students declaim twice a week.