98 entries under dull topic. ×

1
lusterless(adjective, bad, simple, flat)
1
matte(adjective, flat, boring, lifeless)
1
mild(adjective, weak, soft, pleasant)
1
muted(adjective, flat, boring, lifeless)
1
obscure(adjective, flat, boring, lifeless)
1
onerous(adjective, boring, tired, tedious)
1
oppressive(adjective, boring, tired, tedious)
1
pabulum(adjective, weak, smooth, simple)
1
puts one to sleep(expression, adjective, idiom, boring)
1
recurrent(adjective, flat, boring, tedious)
1
reiterated(adjective, flat, boring, tedious)
1
repetitive(adjective, flat, boring, tedious)
1
samely(adjective, flat, boring, tedious)
1
sing-song(adjective, flat, boring, tedious)
1
soft(adjective, weak, smooth, gentle)
1
sombre(adjective, flat, boring, lifeless)
1
strenuous(adjective, boring, tired, tedious)
1
tired(adjective, boring, tedious, tame)
1
toneless(adjective, boring, tedious, dreary)
1
too much(expression, adjective, boring, tired)
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APASmart Define. (2015). ho-hum thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/ho-hum/thesaurus/synonyms
ChicagoSmart Define. 2015. "ho-hum thesaurus" https://smartdefine.org/ho-hum/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, ho-hum thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/ho-hum/thesaurus/synonyms>.
MLASmart Define. "ho-hum thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/ho-hum/thesaurus/synonyms>