14 entries under horizontal topic. ×

17
recumbent(adjective, smooth, flat, low, level)
13
procumbent(adjective, flat, dislike, awful, down)
11
prone(adjective, smooth, flat, low, level)
11
prostrate(adjective, smooth, flat, low, level)
10
flat(adjective, smooth, level, small, down)
6
horizontal(adjective, smooth, low, level, down)
6
lying(adjective, horizontality)
4
lying down(verb, expression, adjective, phrasal verb, lying)
1
face down(expression, adjective, flat, level, lying)
1
leaning(adjective, lying, reclining)
1
level(smooth, low, lying)
0
flat out(expression, lying)
0
motionless
0
resupine
11 years ago|1.9k views|share |citing 
APASmart Define. (2015). decumbent thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/decumbent/thesaurus/synonyms
ChicagoSmart Define. 2015. "decumbent thesaurus" https://smartdefine.org/decumbent/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, decumbent thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/decumbent/thesaurus/synonyms>.
MLASmart Define. "decumbent thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/decumbent/thesaurus/synonyms>