1. [ adverb ] used to form the superlative
Synonyms: to_the_lowest_degree

"The garter snake is the least dangerous snake"

Related terms: most
2. [ adjective ] 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"

Related terms: most superlative slightest
3. [ noun ] lowest or smallest in size or degree or importance

: "least said soonest mended"

Related terms: relative_quantity
4. [ adjective ] minimal in magnitude
Synonyms: smallest lowest

"lowest wages" "the least amount of fat allowed" "the smallest amount"

Related terms: minimal
5. [ adjective ] having or being distinguished by diminutive size
Synonyms: smallest littlest

"the least bittern"

Related terms: small
Similar spelling:   lest