134 entries under extend topic. ×

2
mount(verb, support, increase, open, develop)
2
multiply(verb, support, increase, open, develop)
2
mushroom(verb, increase, open, develop)
2
outspread(verb, increase, open, develop)
2
prolong(verb, support, increase, open, keep)
2
protract(verb, support, increase, open, keep)
2
renew(verb, support, increase, establish)
2
restore(verb, support, increase, establish, back)
2
soup up(verb, expression, support, increase, open)
2
thicken(verb, increase, open, develop)
2
toughen(verb, support, increase, establish)
2
unravel(verb, increase, open, develop)
2
wax(verb, support, increase, open, develop)
1
add(verb, support, increase, establish)
1
add fuel to fire(verb, expression, idiom, support, increase)
1
amplify(verb, increase, open, develop)
1
anneal(verb, support, increase, establish)
1
ascend(verb, support, increase, establish)
1
bloat(verb, increase, open, develop)
1
broaden(verb, increase, open, develop)
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APASmart Define. (2016). bolster thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/bolster/thesaurus/synonyms
ChicagoSmart Define. 2016. "bolster thesaurus" https://smartdefine.org/bolster/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, bolster thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/bolster/thesaurus/synonyms>.
MLASmart Define. "bolster thesaurus" 26 February 2016. Web. 27 September 2026. <https://smartdefine.org/bolster/thesaurus/synonyms>