agony noun definition in Being ill topic from the Oxford Advanced Learner's Dictionary

agony

 noun: Being ill topic
extreme physical or mental pain Jack collapsed in agony on the floor. It was agony not knowing where the children were. She waited in an agony of suspense. The worst agonies of the war were now beginning. Tell me now! Don’t prolong the agony(= make it last longer). It is inhuman to keep a man facing the agony of execution for so long.