WordWeb Online

1. The quality of being able to meet a need satisfactorily:
   - adequateness
    
2. The quality of being sufficient for the end in view
   "he questioned the adequacy of human intelligence";
   - sufficiency

Derived forms: adequacies

See also: adequate, ample, equal, inadequate, meager [N. Amer], meagerly [N. Amer], meagre [Brit, Cdn], meagrely [Brit, Cdn], scrimpy, stingy [informal], unequal

Type of: quality, satisfactoriness

Antonym: insufficiency