46 entries under rational topic. ×

20
prosaic(adjective, dull, mean, simple, tough)
18
dull(adjective, boring, simple, ordinary, tedious)
9
dry(adjective, dull, simple, tough, flat)
8
earthy(adjective, place, body, simple, tough)
8
flat(adjective, dull, simple, tough, plain)
8
unimaginative(adjective, dull, simple, tough, plain)
6
matter-of-fact(adjective, dull, simple, reasonable, sensible)
3
down-to-earth(adjective, simple, tough, reasonable, sensible)
3
lifeless(adjective, dull, simple, tough, plain)
3
practical(adjective, simple, tough, reasonable, sensible)
3
unembellished(adjective, tough, straightforward, sober)
2
factual(adjective, simple, tough, plain, ordinary)
2
literal(simple, straightforward, drab, everyday)
2
plain(adjective, dull, mean, simple, tough)
2
prosy(adjective, dull, simple, tough, plain)
2
sensible(adjective, reasonable, straightforward, practical)
2
sober(adjective, tough, reasonable, sensible)
2
stolid(adjective, tough, straightforward, sober)
2
unidealistic(adjective, simple, tough, reasonable, sensible)
2
unimpassioned(adjective, tough, straightforward, sober)
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APASmart Define. (2016). mundane thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/mundane/thesaurus/synonyms
ChicagoSmart Define. 2016. "mundane thesaurus" https://smartdefine.org/mundane/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, mundane thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/mundane/thesaurus/synonyms>.
MLASmart Define. "mundane thesaurus" 23 March 2016. Web. 27 September 2026. <https://smartdefine.org/mundane/thesaurus/synonyms>