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stiff

1 stiff /ˈstɪf/ adjective
stiffer; stiffest
1 stiff
/ˈstɪf/
adjective
stiffer; stiffest
Britannica Dictionary definition of STIFF
[also more stiff; most stiff]
: difficult to bend or move
: painful to move or use
also : showing pain in movement or use
: thick and difficult to stir or pour
: difficult, strict, or severe
: not graceful, relaxed, or friendly : too formal
: strong and forceful
: containing a lot of alcohol

stiff upper lip

: a calm and determined attitude in a difficult situation

— stiffly

adverb

— stiffness

noun [noncount]
2 stiff /ˈstɪf/ adverb
2 stiff
/ˈstɪf/
adverb
Britannica Dictionary definition of STIFF
informal
: very much : to an extreme degree

frozen stiff

: completely stiff because of being wet and frozen
informal : extremely cold
3 stiff /ˈstɪf/ noun
plural stiffs
3 stiff
/ˈstɪf/
noun
plural stiffs
Britannica Dictionary definition of STIFF
[count] informal
: the body of a dead person
US
: a person who you think is lucky, unlucky, etc.
: an ordinary or dull person
4 stiff /ˈstɪf/ verb
stiffs; stiffed; stiffing
4 stiff
/ˈstɪf/
verb
stiffs; stiffed; stiffing
Britannica Dictionary definition of STIFF
[+ object] US, informal
: to not give as much money as you should give to (someone)