53 entries under tedious topic. ×

39
endless(adjective, continue, determined, steady, persistent)
11
long(adjective, slow, late, endless)
9
monotonous(adjective, dull, stupid, persistent, constant)
9
prolonged(adjective, slow, steady, stable, regular)
8
protracted(adjective, slow, late, long)
6
boring(adjective, dreary, drab, endless)
6
dull(adjective, flat, stupid, dry, dead)
6
extended(adjective, steady, stable, regular)
6
long-winded(adjective, slow, late, long)
5
overlong(adjective, slow, constant, late)
4
lengthened(long, extended, length, drawn-out)
3
prolix(adjective, slow, late, long)
3
verbose(adjective, slow, late, long)
3
wordy(adjective, slow, late, long)
2
diffuse(adjective, slow, late, long)
2
dragging(adjective, slow, late, long)
2
drawn-out(adjective, slow, late, long)
2
longish(long, extended, drawn-out, long-lasting)
2
wearisome(adjective, dull, flat, stupid, dead)
1
arid(adjective, dull, flat, stupid, dead)
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APASmart Define. (2016). interminable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/interminable/thesaurus/synonyms
ChicagoSmart Define. 2016. "interminable thesaurus" https://smartdefine.org/interminable/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, interminable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/interminable/thesaurus/synonyms>.
MLASmart Define. "interminable thesaurus" 4 March 2016. Web. 22 September 2026. <https://smartdefine.org/interminable/thesaurus/synonyms>