167 entries under adjective topic. ×

2
continuous(calm, quiet, direct, smooth)
2
dead flat(expression, smooth, flat, even)
2
face down(verb, expression, phrasal verb, lying)
2
in line(expression, idiom, calm, smooth)
2
invariable(quiet, smooth, soft, gentle)
2
lying
2
matching(calm, direct, smooth, right)
2
planate(calm, quiet, direct, smooth)
2
reclining(smooth, low, level, lying)
2
rolled(calm, smooth, flat, plain)
2
stable(calm, quiet, direct, smooth)
2
steep(straight, upright, vertical)
2
straightforward(direct, smooth, right, solid)
2
unswerving(smooth, right, solid, level)
1
akin(calm, smooth, flat, plain)
1
beeline(smooth, right, solid, level)
1
clear
1
commensurate(calm, smooth, flat, plain)
1
common(calm, smooth, flat, plain)
1
comparable(calm, smooth, flat, plain)
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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>