Too much or too many; excessive or superfluous:
Being more than is usual, required, or permitted:
Not needed; unnecessary; irrelevant
Being more than or in excess of what is needed or required:
Given or received without charge or payment; free
Find another word for supererogatory. In this page you can discover 13 synonyms, antonyms, idiomatic expressions, and related words for supererogatory, like: supernumerary, de trop, excess, extra, spare, superfluous, surplus, gratuitous, supererogative, uncalled-for and wanton.