90 entries under extend topic. ×

2
protract(verb, advance, increase, open, develop)
2
pyramid(verb, increase, open, develop)
2
raise(verb, advance, increase, turn, produce)
2
slap on(verb, expression, advance, increase, open)
2
tack on(verb, expression, advance, increase, open)
2
unravel(verb, increase, open, develop)
2
upsurge(verb, increase, open, develop)
2
wax(verb, advance, increase, open, develop)
1
advance(verb, increase, turn, raise, produce)
1
aggravate(verb, advance, increase, raise, rise)
1
annex(verb, advance, increase, raise, rise)
1
beef up(verb, expression, increase, open, develop)
1
blow up(verb, expression, increase, open, develop)
1
diffuse(verb, increase, open, develop)
1
double(verb, advance, increase, raise, rise)
1
elaborate(verb, increase, open, develop)
1
embellish(verb, increase, open, develop)
1
enhance(verb, advance, increase, raise, rise)
1
escalate(verb, advance, increase, raise, rise)
1
exaggerate(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>