RichThesaurus
toughen up
toughen up
synonyms
build up
toughen
stiffen
strengthen
beef up
work over
reinforce
starch
brainwash
invigorate
steel
cement
inure
flesh out
chill
make stricter
congeal
dry
work out
braze
program
educate
set
mold
train
warm up
accustom
condition
beef something up
petrify
solidify
bake
practice
consolidate
whip into shape
make ready
sharpen
loosen up
tone up
shape up
substantiate
modify
indurate
make more severe
tighten
temper
equip
anneal
habituate
improve
more synonyms
toughen up
antonyms
weaken
flex
soften
bend