say it: leest
least is a noun, adjective and adverb meaning "something that is of no importance". It carries 3 recorded senses.
something that is of no importance
“it is the least I can do”
“that is the least of my concerns”
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”
superlative
used to form the superlative
“The garter snake is the least dangerous snake”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for least come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.