Synonyms|186Antonyms|10|Broader|5Narrower|2Related|164

50 entries under sustain topic. ×

1
carry(verb, support, increase, maintain, boost)
1
emphasize(verb, support, increase, boost)
1
energize(verb, support, increase, encourage, excite)
1
enlarge(verb, support, increase, boost)
1
fortify(verb, support, increase, encourage, excite)
1
harden(verb, support, increase, boost)
1
heat up(verb, expression, phrasal verb, support, increase)
1
hype(verb, support, help, increase, encourage)
1
increase(verb, support, boost, uphold)
1
keep up(verb, expression, maintain, reinforce)
1
lend a hand(verb, expression, idiom, support, increase)
1
multiply(verb, support, increase, boost)
1
pick up(verb, expression, phrasal verb, support, increase)
1
pillar(verb, support, increase, boost)
1
punch up(verb, expression, phrasal verb, support, increase)
1
set(verb, support, prepare, uphold)
1
soup up(verb, expression, phrasal verb, support, increase)
1
stand up for(verb, expression, idiom, phrasal verb, support)
1
stay(verb, support, maintain, uphold)
1
stiffen(verb, support, increase, uphold)
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APASmart Define. (2015). prop up thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/prop_up/thesaurus/synonyms
ChicagoSmart Define. 2015. "prop up thesaurus" https://smartdefine.org/prop_up/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, prop up thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/prop_up/thesaurus/synonyms>.
MLASmart Define. "prop up thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/prop_up/thesaurus/synonyms>