80 entries under strengthen topic. ×

2
beef up(verb, expression, phrasal verb, support, increase)
2
cushion(verb, support, help, aid, boost)
2
gird(verb, support, secure, protect)
2
harden(verb, support, increase, sustain, uphold)
2
help(verb, support, keep, maintain, promote)
2
maintain(verb, support, help, keep, promote)
2
pillow(verb, support, help, aid, boost)
2
stiffen(verb, support, increase, sustain, uphold)
2
temper
2
toughen(verb, support, increase, sustain, uphold)
1
add fuel to fire(verb, expression, idiom, support, increase)
1
add to(verb, expression, phrasal verb, support, increase)
1
augment(verb, support, increase, boost, sustain)
1
boost(verb, support, help, increase, maintain)
1
build up(verb, expression, phrasal verb, support, increase)
1
bulwark(verb, support, help, secure, aid)
1
buoy(verb, support, help, keep, maintain)
1
charge up(verb, expression, phrasal verb, support, secure)
1
consolidate(verb, support, secure, protect)
1
embattle(verb, support, secure, protect)
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APASmart Define. (2015). shore up thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/shore_up/thesaurus/synonyms
ChicagoSmart Define. 2015. "shore up thesaurus" https://smartdefine.org/shore_up/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, shore up thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/shore_up/thesaurus/synonyms>.
MLASmart Define. "shore up thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/shore_up/thesaurus/synonyms>