not easily bent or changed in shape; rigid

a stiff black collar

stiff cardboard

severe or strong

they face stiff fines and a possible jail sentence

a stiff increase in taxes

full of

the place is stiff with alarm systems

having a specified unpleasant feeling to an extreme extent

she was scared stiff

I was bored stiff with my project

a dead body

a boring, conventional person

ordinary working stiffs in respectable offices

a sports club's reserve team

cheat (someone) out of something, especially money

several workers were stiffed out of their pay

ignore (someone) deliberately; snub

the stars are notorious for stiffing their hosts and sponsors at banquets

kill (someone)

I want to get those pigs who stiffed your doctor