I. adjective
1.
being what is requisite or needed especially without superfluity
there is sufficient bread left for breakfast
Synonyms: adequate, comfortable, competent, decent, enough, satisfactory, sufficing; compare decent 4
Related Word: ample, plenteous, plentiful, plenty; commensurable, commensurate, due, proportionate; acceptable, agreeable, pleasing
Contrasted words: inadequate, unsufficing; deficient; failing, lacking, missing, wanting
Antonyms: insufficient
2.
Synonyms: decent 4, acceptable, adequate, all right, common, satisfactory, tolerable, unexceptionable, unexceptional, unobjectionable
Idioms: fair to middling
II. noun
Synonyms: enough , adequacy, competence, sufficiency