Synonyms of least

Noun

1. least, matter, affair, thing

usage: something that is of no importance; "it is the least I can do"; "that is the least of my concerns"

Adjective

1. least(prenominal) (vs. most)

usage: the superlative of `little' that can be used with mass nouns and is usually preceded by `the'; a quantifier meaning smallest in amount or extent or degree; "didn't care the least bit"; "he has the least talent of anyone"

Adverb

1. least, to the lowest degree

usage: used to form the superlative; "The garter snake is the least dangerous snake"

Definition and meaning of least (Dictionary)