least
adverb(least)
used to form the superlative
Synonyms: to the lowest degree,
Examples:
The garter snake is the least dangerous snake.
least
noun(least)
something that is of no importance
Examples:
It is the least I can do.
That is the least of my concerns.
least
adjective(least)
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
Examples:
Didn't care the least bit.
He has the least talent of anyone.