2
extend(set, cover, open, free, spread)
2
extirpate(verb, destroy, level, smash, overthrow)
2
glaze(verb, clear, press, smooth, level)
2
kill(verb, press, crush, suppress, shoot)
2
lay down(verb, phrasal verb, horizontality)
2
lay out(verb, phrasal verb, horizontality)
2
make uniform(verb, expression, clear, press, level)
2
mangle(verb, move, hold, drop, smooth)
2
miss
2
obliterate(verb, remove, ruin, destroy, crush)
2
oil
2
outstretch(verb, set, cover, increase, open)
2
override(verb, hurt, crush, squash, trample)
2
overthrow(verb, ruin, destroy, crush, kill)
2
overwhelm(verb, hurt, crush, kill, shoot)
2
put straight(expression, unbend, uncurl)
2
quell(verb, press, crush, suppress, kill)
2
ravage
2
reduce(verb, move, hold, destroy, smooth)
2
regularize
10 years ago|9.1k views|share |citing 
APASmart Define. (2015). flatten thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/flatten/thesaurus/synonyms
ChicagoSmart Define. 2015. "flatten thesaurus" https://smartdefine.org/flatten/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, flatten thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/flatten/thesaurus/synonyms>.
MLASmart Define. "flatten thesaurus" 5 November 2015. Web. 21 September 2026. <https://smartdefine.org/flatten/thesaurus/synonyms>