Stiffen - synonyms

Total 59 synonym synonyms found for stiffen.

amplify

back

be tough

beef up

brace

brace up

buttress

case harden

charge

clot

coagulate

confirm

congeal

crystallize

electrify

endure

energize

fortify

galvanize

generate

gird

hang tough

harden

invigorate

jell

loop in

nerve

plug in

prop

refresh

reinforce

reinvigorate

restrengthen

rigidify

screw up

set

shock

shore up

short

short-circuit

solidify

steel

step down

step up

strengthen

support

sustain

switch off

switch on

tauten

temper

tense

thicken

tighten

toughen

trice up

turn off

turn on

undergird