adjective
fewer; -est
not many
not many but some - used in the phrase a few
The phrases quite a few and, less commonly, not a few or (chiefly Brit) a good few all mean fairly many.
as few as
used to suggest that a number or amount is surprisingly small
few and far between
not common or frequent
no fewer than
at least - used to suggest that a number or amount is surprisingly large
of few words
A person of few words is someone who does not talk very much.
pronoun
not many people or things
some people or things - used in the phrase a few
The phrases quite a few and, less commonly, not a few or (chiefly Brit) a good few all mean fairly many.
a small number of people or things that are chosen or regarded as special or unusual in some way
have a few
or have a few too many
informal :to have too many alcoholic drinks