Strengthen - synonyms

Total 131 synonym synonyms found for strengthen.

accelerate

accrue

accumulate

add to

advance

affirm

aggravate

animate

anneal

appreciate

attest

augment

authenticate

back

back up

balloon

be tough

bear out

beef up

bloat

blow up

bolster

boom

boost

brace

brace up

breed

broaden

buttress

case harden

certify

cheer

chirk up

circumstantiate

complicate

concentrate

condense

confirm

consolidate

corroborate

crescendo

deepen

develop

document

double

embolden

encourage

endure

energize

enhance

exacerbate

exaggerate

fortify

gain

gain strength

gelt

get ahead

gird

go up

grow

hang tough

harden

hearten

heat up

heighten

hop up

hot up

increase

inspirit

intensify

invigorate

jazz up

key up

magnify

make complex

mount

multiply

nerve

nourish

nutrify

prepare

probate

proliferate

prop

prove

ramify

ratify

ready

recruit

redouble

refresh

reinforce

reinvigorate

rejuvenate

renew

restrengthen

rigidify

rise

run up

screw up

sharpen

shoot up

shore up

sinew

snowball

soup up

spread

steel

step up

stiffen

substantiate

supplement

support

sustain

swell

temper

tense

tighten

tone up

toughen

trice up

triple

undergird

uphold

validate

verify

vitalize

warrant

wax

whet

widen