1
platitudinous(adjective, simple, flat, clean, plain)
1
plebeian(adjective, simple, clean, plain, ordinary)
1
plodding
1
poky
1
practicable(adjective, simple, flat, clean, plain)
1
practical(adjective, simple, flat, clean, plain)
1
prose(adjective, simple, flat, clean, plain)
1
proser
1
puts one to sleep(expression, adjective, idiom, dull, boring)
1
recurrent(adjective, dull, flat, boring, tedious)
1
reiterated(adjective, dull, flat, boring, tedious)
1
repetitious
1
repetitive(adjective, dull, flat, boring, tedious)
1
run-of-the-mill
1
samely(adjective, dull, flat, boring, tedious)
1
sing-song(adjective, dull, flat, boring, tedious)
1
smooth(adjective, calm, weak, soft, gentle)
1
soft(adjective, dull, weak, smooth, gentle)
1
solemn
1
sombre(adjective, dull, flat, boring, lifeless)
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APASmart Define. (2015). ho-hum thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/ho-hum/thesaurus/synonyms
ChicagoSmart Define. 2015. "ho-hum thesaurus" https://smartdefine.org/ho-hum/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, ho-hum thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/ho-hum/thesaurus/synonyms>.
MLASmart Define. "ho-hum thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/ho-hum/thesaurus/synonyms>