Synonyms|477Antonyms|16|Broader|10Narrower|0Related|61

107 entries under strengthen topic. ×

1
whet(verb, increase, raise, severe, boost)
0
conjoin(develop, secure, join, unite, combine)
0
connect(develop, secure, join, unite, combine)
0
encourage(verb, increase, promote, stimulate, improve)
0
heap on(verb, expression, increase, severe)
0
pile on(verb, expression, increase, severe)
0
underpin
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APASmart Define. (2015). add to thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/add_to/thesaurus/synonyms
ChicagoSmart Define. 2015. "add to thesaurus" https://smartdefine.org/add_to/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, add to thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/add_to/thesaurus/synonyms>.
MLASmart Define. "add to thesaurus" 10 April 2015. Web. 1 October 2026. <https://smartdefine.org/add_to/thesaurus/synonyms>