noun.
The state of being urgent; pressing need or demand; urgency: as, the exigency of the case or of business.
noun.
A pressing necessity; an urgent case; any case which demands prompt action, supply, or remedy: as, in the present exigency no time is to be lost.
noun.
A state of difficulty or want; a condition of distress or need.
noun.
Command; requirement: as, the exigency of a writ.