104 entries under fortify topic. ×

1
hype(verb, support, increase, boost, sustain)
1
incorporate(verb, meet, develop, secure, join)
1
increase(verb, support, establish, extend, boost)
1
join(verb, meet, develop, secure, stick)
1
justify(verb, support, increase, establish, extend)
1
lend a hand(verb, expression, idiom, support, increase)
1
make firm(verb, expression, support, set, increase)
1
mass(develop, secure, join, unite, combine)
1
meld(develop, secure, join, unite, combine)
1
mix(verb, meet, develop, secure, join)
1
mount(verb, support, increase, establish, extend)
1
multiply(verb, support, increase, establish, extend)
1
pick up(verb, expression, support, increase, raise)
1
pillar(verb, support, increase, boost, sustain)
1
pool(verb, meet, develop, secure, join)
1
powerful(verb, support, increase, establish, extend)
1
prepare(verb, support, study, develop, improve)
1
prop up(verb, expression, support, increase, boost)
1
punch up(verb, expression, support, increase, boost)
1
ready(verb, support, encourage, restore, uphold)
10 years ago|10k views|share |citing 
APASmart Define. (2016). harden thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/harden/thesaurus/synonyms
ChicagoSmart Define. 2016. "harden thesaurus" https://smartdefine.org/harden/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, harden thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/harden/thesaurus/synonyms>.
MLASmart Define. "harden thesaurus" 24 March 2016. Web. 29 September 2026. <https://smartdefine.org/harden/thesaurus/synonyms>