Synonyms for ADEQUATE: decent, satisfactory, good, fine, acceptable, OK, serviceable, useful; Antonyms of ADEQUATE: insufficient, inadequate, lacking, unsatisfactory ... If something is adequate, there is enough of it or it is good enough to be used or accepted. One in four people worldwide are without adequate homes. The old methods weren't adequate to meet current needs. The western diet should be perfectly adequate for most people. The meaning of ADEQUATE is sufficient for a specific need or requirement; also : good enough : of a quality that is good or acceptable : of a quality that is acceptable but not better than acceptable. 'Adequate' in a sentence: The food was more than adequate for the six of us.
