adjective
stiffer; -est
[also more ~; most ~]
difficult to bend or move
painful to move or use
thick and difficult to stir or pour
difficult, strict, or severe
not graceful, relaxed, or friendly
very expensive
strong and forceful
containing a lot of alcohol
stiff upper lip
a calm and determined attitude in a difficult situation
adverb
informal :very much :to an extreme degree
frozen stiff
completely stiff because of being wet and frozen
informal :extremely cold
noun
plural stiffs
[count] informal
the body of a dead person
US
a person who you think is lucky, unlucky, etc.
an ordinary or dull person
verb
stiffs; stiffed; stiffing
[+ obj] US informal :to not give as much money as you should give to (someone)
US