89 entries under extend topic. ×

1
mount(verb, advance, increase, raise, rise)
1
open(verb, take, cover, increase, develop)
1
progress(verb, advance, increase, raise, rise)
1
proliferate(verb, advance, increase, raise, rise)
1
prolong(verb, take, cover, advance, increase)
1
prolongate(verb, take, cover, increase, open)
1
protract(verb, take, cover, advance, increase)
1
pullulate(verb, advance, increase, raise, rise)
1
redouble(verb, advance, increase, raise, rise)
1
run on(verb, expression, take, cover, increase)
1
sharpen(verb, advance, increase, raise, rise)
1
spin out(verb, expression, take, cover, increase)
1
spread out(verb, expression, take, cover, increase)
1
stall(verb, take, cover, increase, open)
1
string out(verb, expression, take, cover, increase)
1
swarm(verb, advance, increase, raise, rise)
1
take(verb, cover, increase, open, develop)
1
teem(verb, advance, increase, raise, rise)
1
thicken(verb, advance, increase, raise, rise)
1
triple(verb, advance, increase, raise, rise)
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APASmart Define. (2015). supplement thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/supplement/thesaurus/synonyms
ChicagoSmart Define. 2015. "supplement thesaurus" https://smartdefine.org/supplement/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, supplement thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/supplement/thesaurus/synonyms>.
MLASmart Define. "supplement thesaurus" 22 December 2015. Web. 23 September 2026. <https://smartdefine.org/supplement/thesaurus/synonyms>