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Synonyms for Outcry (same or very similar meaning)

WordNet sense 1 (a loud utterance; often in protest or opposition):
call, cry, shout, vociferation, yell

WordNet sense 2 (shout louder than):

WordNet sense 3 (utter aloud; often with surprise, horror, or joy):
exclaim, call out, cry out

From the ODE community, based on WordNetadd/edit