Toughen - synonyms

Total 43 synonym synonyms found for toughen.

acclimate

acclimatize

anneal

be tough

beef up

brace

brace up

buttress

calcify

callous

case harden

confirm

cornify

develop

endure

firm

fortify

fossilize

gird

hang tough

harden

indurate

invigorate

lapidify

lithify

nerve

ossify

petrify

prop

refresh

reinforce

reinvigorate

restrengthen

season

shore up

steel

stiffen

strengthen

support

sustain

temper

undergird

vitrify