76 entries under smooth topic. ×

2
stable(adjective, calm, quiet, direct)
2
straightforward(adjective, direct, right, solid)
2
unswerving(adjective, right, solid, level)
1
akin(adjective, calm, flat, plain)
1
beeline(adjective, right, solid, level)
1
commensurate(adjective, calm, flat, plain)
1
common(adjective, calm, flat, plain)
1
comparable(adjective, calm, flat, plain)
1
consistent(adjective, calm, direct, right)
1
constant(adjective, calm, right, flat)
1
equable(adjective, calm, quiet, soft)
1
equivalent(adjective, calm, flat, plain)
1
exact(adjective, calm, flat, plain)
1
identical(adjective, calm, flat, plain)
1
leveled(adjective, calm, flat, plain)
1
like(adjective, calm, flat, plain)
1
lined up(expression, adjective, calm, flat)
1
matched(adjective, calm, flat, plain)
1
nonstop(adjective, right, solid, level)
1
of same height(expression, adjective, idiom, calm)
11 years ago|12k views|share |citing 
APASmart Define. (2015). horizontal thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/horizontal/thesaurus/synonyms
ChicagoSmart Define. 2015. "horizontal thesaurus" https://smartdefine.org/horizontal/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, horizontal thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/horizontal/thesaurus/synonyms>.
MLASmart Define. "horizontal thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/horizontal/thesaurus/synonyms>