18
tedious(adjective, dull, simple, plain, ordinary)
16
dull(adjective, simple, flat, plain, ordinary)
14
tiresome(adjective, dull, boring, disagreeable, tedious)
10
humdrum(adjective, dull, simple, clean, plain)
10
monotonous(adjective, dull, simple, plain, ordinary)
9
prosaic(adjective, dull, bad, simple, flat)
9
uninteresting(adjective, dull, boring, tedious, dreary)
9
wearisome(adjective, dull, boring, tedious, dreary)
8
flat(adjective, dull, weak, smooth, simple)
8
insipid(adjective, dull, uninteresting)
8
jejune
8
slow
7
deadening
7
irksome(adjective, dull, simple, clean, plain)
6
blah(adjective, dull, weak, smooth, simple)
6
dead(adjective, dull, simple, flat, clean)
6
dreary
6
dry(adjective, dull, simple, flat, clean)
6
vapid(adjective, dull, simple, flat, clean)
5
heavy(adjective, dull, boring, tired, tedious)
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APASmart Define. (2015). ho-hum thesaurus. Retrieved April 26, 2019, from https://smartdefine.org/ho-hum/thesaurus/synonyms
ChicagoSmart Define. 2015. "ho-hum thesaurus" https://smartdefine.org/ho-hum/thesaurus/synonyms (accessed April 26, 2019).
HarvardSmart Define 2015, ho-hum thesaurus, Smart Define, viewed 26 April, 2019, <https://smartdefine.org/ho-hum/thesaurus/synonyms>.
MLASmart Define. "ho-hum thesaurus" 10 April 2015. Web. 26 April 2019. <https://smartdefine.org/ho-hum/thesaurus/synonyms>