85 entries under silly topic. ×

31
insipid(adjective, good, dull, weak, kind)
31
flat(adjective, dull, set, weak, kind)
30
dull(adjective, flat, boring, uninteresting, tedious)
23
jejune(adjective, good, dull, set, weak)
17
prosaic(adjective, dull, set, weak, simple)
16
stale(adjective, dull, set, weak, simple)
14
wishy-washy(adjective, good, dull, weak, flat)
11
weak(adjective, dull, flat, plain, mild)
9
vacuous(adjective, dull, flat, indifferent)
8
banal(adjective, dull, set, weak, simple)
7
stupid(adjective, dull, flat, ordinary)
7
ordinary(adjective, dull, set, simple, flat)
6
inane(adjective, dull, weak, soft, slight)
6
trite(adjective, dull, set, simple, flat)
5
commonplace(adjective, dull, set, simple, flat)
5
empty(adjective, slight, value, small)
5
innocuous(adjective, good, dull, weak, flat)
5
pedestrian(adjective, dull, set, simple, flat)
5
run-of-the-mill(adjective, dull, set, flat)
5
uninspired(adjective, dull, set, weak, flat)
11 years ago|14k views|share |citing 
APASmart Define. (2015). vapid thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/vapid/thesaurus/synonyms
ChicagoSmart Define. 2015. "vapid thesaurus" https://smartdefine.org/vapid/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, vapid thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/vapid/thesaurus/synonyms>.
MLASmart Define. "vapid thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/vapid/thesaurus/synonyms>