Pronunciation: (di-klām'),[key] —v.i. 1. to speak aloud in an oratorical manner; make a formal speech: Brutus declaimed from the steps of the Roman senate building. 2. to inveigh (usually fol. by against): He declaimed against the high rents in slums. 3. to speak or write for oratorical effect, as without sincerity or sound argument.
—v.t. to utter aloud in an oratorical manner: to declaim a speech.