79 entries under smooth topic. ×

6
invariable(adjective, quiet, soft, gentle)
6
undeviating(adjective, quiet, direct, right)
5
consecutive(adjective, complete, solid, level)
5
stable(adjective, calm, quiet, direct)
5
true(adjective, direct, right, flat)
4
alike(adjective, calm, direct, right)
4
linear(adjective, right, solid, level)
4
running(adjective, direct, solid, short)
3
flush(adjective, calm, quiet, direct)
3
plain(adjective, calm, quiet, soft)
3
right(adjective, direct, flat, solid)
2
balanced(adjective, calm, direct, right)
2
in line(expression, adjective, calm, flat)
2
like(adjective, calm, flat, level)
2
planate(adjective, calm, quiet, direct)
2
plumb(adjective, direct, right, flat)
2
same(adjective, calm, right, flat)
2
sheer(direct, solid, pure, short)
2
straightforward(adjective, direct, solid, level)
2
through(adjective, direct, right, solid)
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APASmart Define. (2015). unbroken thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/unbroken/thesaurus/synonyms
ChicagoSmart Define. 2015. "unbroken thesaurus" https://smartdefine.org/unbroken/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, unbroken thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/unbroken/thesaurus/synonyms>.
MLASmart Define. "unbroken thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/unbroken/thesaurus/synonyms>