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