64 entries under stale topic. ×

81
boring(adjective, dull, dreary, monotonous, colorless)
56
dull(adjective, boring, uninteresting, dreary, monotonous)
51
tiresome(adjective, dull, simple, flat, excite)
39
uninteresting(adjective, dull, boring, monotonous, ordinary)
33
wearisome(adjective, dull, boring, monotonous, dreary)
31
monotonous(adjective, boring, dull, ordinary, dreary)
30
humdrum(adjective, dull, weak, simple, flat)
25
prosaic(adjective, dull, weak, simple, flat)
22
insipid(adjective, dull, weak, simple, flat)
22
lifeless(adjective, dull, weak, simple, plain)
21
flat(adjective, dull, weak, simple, plain)
20
tiring(adjective, dull, stupid, boring, lifeless)
18
vapid(adjective, dull, weak, simple, flat)
17
irksome(adjective, dull, simple, excite, plain)
15
banal(adjective, dull, weak, simple, plain)
13
bland(adjective, dull, weak, plain, mild)
13
commonplace(adjective, dull, simple, flat, plain)
12
dead(adjective, dull, weak, simple, flat)
12
jejune(adjective, dull, weak, flat, ordinary)
12
unexciting(adjective, dull, weak, plain, mild)
11 years ago|27k views|share |citing 
APASmart Define. (2015). tedious thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/tedious/thesaurus/synonyms
ChicagoSmart Define. 2015. "tedious thesaurus" https://smartdefine.org/tedious/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, tedious thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/tedious/thesaurus/synonyms>.
MLASmart Define. "tedious thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/tedious/thesaurus/synonyms>