Biology dictionary

Exigency

Origin: LL. Exigentia: cf. F. Exigence.

The state of being exigent; urgent or exacting want; pressing necessity or distress; need; a case demanding immediate action, supply, or remedy; as, an unforeseen exigency. The present exigency of his affairs.

Synonym: demand, urgency, distress, pressure, emergency, necessity, crisis.