90 entries under extend topic. ×

1
fan out(verb, expression, increase, open, develop)
1
further(verb, advance, increase, raise, rise)
1
mark up(verb, expression, advance, increase, raise)
1
open(verb, increase, develop, spread)
1
open out(verb, expression, increase, open, develop)
1
piggyback(verb, increase, open, develop)
1
progress(verb, advance, increase, raise, rise)
1
proliferate(verb, advance, increase, raise, rise)
1
puff up(verb, expression, increase, open, develop)
1
pullulate(verb, advance, increase, turn, raise)
1
redouble(verb, advance, increase, raise, rise)
1
rise(verb, advance, increase, turn, raise)
1
sharpen(verb, advance, increase, raise, rise)
1
snowball(verb, advance, increase, raise, rise)
1
soup up(verb, expression, increase, open, develop)
1
spread out(verb, expression, increase, open, develop)
1
step up(verb, expression, advance, increase, raise)
1
stretch out(verb, expression, increase, open, develop)
1
supplement(verb, advance, increase, raise, rise)
1
swarm(verb, advance, increase, raise, rise)
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APASmart Define. (2015). thicken thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/thicken/thesaurus/synonyms
ChicagoSmart Define. 2015. "thicken thesaurus" https://smartdefine.org/thicken/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, thicken thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/thicken/thesaurus/synonyms>.
MLASmart Define. "thicken thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/thicken/thesaurus/synonyms>