69 entries under extend topic. ×

1
further(verb, advance, increase, raise, rise)
1
lengthen(verb, advance, increase, raise, rise)
1
mark up(verb, expression, advance, increase, raise)
1
pad(verb, advance, increase, raise, rise)
1
progress(verb, advance, increase, raise, rise)
1
proliferate(verb, advance, increase, raise, rise)
1
prolong(verb, advance, increase, raise, rise)
1
protract(verb, advance, increase, raise, rise)
1
pullulate(verb, advance, increase, raise, rise)
1
slap on(verb, expression, advance, increase, raise)
1
snowball(verb, advance, increase, raise, rise)
1
stretch(verb, increase, strengthen, enlarge)
1
supplement(verb, advance, increase, raise, rise)
1
swarm(verb, advance, increase, raise, rise)
1
tack on(verb, expression, advance, increase, raise)
1
teem(verb, advance, increase, raise, rise)
1
work up(verb, expression, increase, disturb, encourage)
0
actualize(verb, increase, enlarge, widen)
0
beautify(verb, increase, enlarge, widen)
0
enrich(verb, increase, improve, enhance)
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APASmart Define. (2015). deepen thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/deepen/thesaurus/synonyms
ChicagoSmart Define. 2015. "deepen thesaurus" https://smartdefine.org/deepen/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, deepen thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/deepen/thesaurus/synonyms>.
MLASmart Define. "deepen thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/deepen/thesaurus/synonyms>