Make firm

Synonyms for make firm
verb reinforce

assure
establish
buttress

strengthen
fix
clinch

invigorate
settle
fortify

Antonyms for make firm

weaken
dishearten
dissuade
unsettle
annul
contradict

destroy
disprove
invalidate
veto
deny
repudiate

hurt
discourage
cancel
oppose
void

Synonyms
verb make secure; join together

screw
tighten
weld
affix
adhere
nail
attach
bolt
solder
glue
truss
wedge
set
lace
chain
strengthen

lock
hitch
hook
tag
connect
seal
close
cohere
establish
belt
hold
fix
unite
leash
moor
lodge

tie
implant
brace
grip
string
batten
couple
cement
band
link
stick
knot
catch
infix
jam
cleave

bar
bind
button
rope
settle
embed
girth
anchor
bond
mortise
rivet
freeze to
hitch on
hook up
stay put
tack on

Antonyms

loosen
release
disconnect
detach
disjoin
dissuade
unlock
unhitch
unseal
refuse
destroy
unsettle

permit
let go
loose
separate
unfasten
displace
remove
discourage
halt
unlace
untie
open

divide
confuse
unfix
forget
leave
lose
unstick
free
allow
unchain
unlink

Synonyms
verb make more forceful, powerful

bolster
restore
extend
invigorate
establish
support
build up
enlarge
step up
increase
reinforce

sustain
set up
heighten
enhance
toughen
intensify
tone
buttress
rejuvenate
ascend
corroborate

fortify
confirm
regenerate
add
wax
anneal
brace
empower
rise
multiply
steel

substantiate
mount
harden
renew
temper
justify
sinew
add fuel to fire
tone up

Antonyms

hinder
undermine
destroy
abridge
condense
curtail
decrease
lessen
let down
weaken
slow
subtract

ruin
contradict
deny
reject
disprove
soften
slump
dishearten
dissuade
lower
shrink
diminish

reduce
halt
kill
decline
descend
drop
fall
break down
hurt
discourage