Meaning of LEAST in English

LEAST

n.

Pronunciation: ' l ē st

Function: adjective

superlative of 1 little

Etymology: Middle English leest, from Old English l ǣ st, superlative of l ǣ ssa less

Date: before 12th century

1 : lowest in importance or position

2 a : smallest in size or degree b : being a member of a kind distinguished by diminutive size <the least bittern> c : smallest possible : SLIGHTEST

Merriam Webster Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.