ETYM The regular comparative of this word is wanting, its place being supplied by less, or, rarely, lesser. Related to Lesser.
1. Small; not large; of small stature; SYN. small.
2. Very young; SYN. small.
3. Younger and (at least formerly) smaller than another though relative size is not the issue; SYN. younger.
4. Contemptibly narrow in outlook; SYN. petty, small, small-minded.
5. (Quantifier used with mass nouns) Small in quantity or degree; not much or almost none SYN. small.

A small amount or duration

Not much