n. Same as emergence, 1.n. A sudden or unexpected happening; an unforeseen occurrence or condition; specifically, a perplexing contingency or complication of circumstances.n. A sudden or unexpected occasion for action; exigency; pressing necessity.n. Something not calculated upon; an unexpected gain; a casual profit.n. Synonyms Crisis, etc. (see exigency); pinch, strait.Pertaining to or provided for an emergency; dealing with or for use in emergencies: as, an emergency man; an emergency wagon.