87 entries under extend topic. ×

1
triple(verb, advance, increase, raise, rise)
1
unfold(verb, increase, open, develop)
1
unfurl(verb, increase, open, develop)
1
unravel(verb, increase, open, develop)
1
unroll(verb, increase, open, develop)
1
upsurge(verb, increase, open, develop)
0
flatten(verb, open, spread, expand)
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APASmart Define. (2015). tack on thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/tack_on/thesaurus/synonyms
ChicagoSmart Define. 2015. "tack on thesaurus" https://smartdefine.org/tack_on/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, tack on thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/tack_on/thesaurus/synonyms>.
MLASmart Define. "tack on thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/tack_on/thesaurus/synonyms>