59 entries under simple topic. ×

16
boring(adjective, dull, plain, ordinary)
15
commonplace(adjective, dull, set, moderate)
14
dull(adjective, set, flat, excite)
13
ordinary(adjective, dull, set, flat)
12
humdrum(adjective, dull, moderate, clean)
9
unimaginative(adjective, dull, excite, plain)
9
banal(adjective, dull, set, flat)
9
common(adjective, dull, set, flat)
9
flat(adjective, dull, set, excite)
9
hackneyed(adjective, dull, set, mean)
9
monotonous(adjective, dull, plain, ordinary)
9
mundane(adjective, dull, plain, common)
9
prosy(adjective, dull, mean, rough)
9
trite(adjective, dull, set, mean)
8
stale(adjective, dull, set, mean)
8
tedious(adjective, dull, plain, heavy)
8
colorless(adjective, dull, mean, rough)
7
unexceptional(adjective, clean, plain, common)
7
everyday(adjective, dull, plain, common)
7
lifeless(adjective, dull, excite, plain)
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APASmart Define. (2016). pedestrian thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/pedestrian/thesaurus/synonyms
ChicagoSmart Define. 2016. "pedestrian thesaurus" https://smartdefine.org/pedestrian/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, pedestrian thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/pedestrian/thesaurus/synonyms>.
MLASmart Define. "pedestrian thesaurus" 23 March 2016. Web. 23 September 2026. <https://smartdefine.org/pedestrian/thesaurus/synonyms>