102 entries under smooth topic. ×

5
iron(verb, move, hold, calm, quiet)
5
planish(verb, fix, level, straight)
5
pulverize(verb, remove, ruin, destroy)
5
set straight(verb, fix, level, straight)
4
correct(verb, fix, level, straight)
4
equalize(verb, match, balance, flush)
4
fix(verb, level, straight)
4
mow(verb, kill, shoot, slaughter)
4
smoothen(verb, lay, equalize, steamed)
4
spread out(verb, expression, phrasal verb, open, release)
4
squish(verb, move, hold, press)
3
align(verb, level, match, balance)
3
burnish(verb, clear, press, level)
3
curves out(verb, fix, level, straight)
3
erect(verb, fix, level, straight)
3
even out(verb, expression, phrasal verb, change, set)
3
flat
3
gloss(verb, set, cover, clear, increase)
3
grind(verb, hurt, crush, squash)
3
improve(verb, fix, level, straight)
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APASmart Define. (2015). flatten thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/flatten/thesaurus/synonyms
ChicagoSmart Define. 2015. "flatten thesaurus" https://smartdefine.org/flatten/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, flatten thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/flatten/thesaurus/synonyms>.
MLASmart Define. "flatten thesaurus" 5 November 2015. Web. 23 September 2026. <https://smartdefine.org/flatten/thesaurus/synonyms>