Synonyms|1.3kAntonyms|412|Broader|19Narrower|42Related|784
2
undergird
1
assure
1
augment
1
back up
1
beef up
1
empower
1
encourage
1
establish
1
fortify
1
hearten
1
increase
1
intensify
1
invigorate
1
make firm
1
prop
1
soup up
1
stiffen
1
sustain
0
back
0
proof
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APASmart Define. (2016). strengthen thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/strengthen/thesaurus/narrower
ChicagoSmart Define. 2016. "strengthen thesaurus" https://smartdefine.org/strengthen/thesaurus/narrower (accessed September 26, 2026).
HarvardSmart Define 2016, strengthen thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/strengthen/thesaurus/narrower>.
MLASmart Define. "strengthen thesaurus" 3 March 2016. Web. 26 September 2026. <https://smartdefine.org/strengthen/thesaurus/narrower>