4
flat(adjective, dullness)
4
uninteresting(adjective, dullness)
3
pedestrian
2
commonplace
2
dull
2
logy
2
monotonous
2
prosaic
2
prosy
2
uneventful
1
unenjoyable(adjective, dull, boring, tedious, dreary)
1
big yawn(expression, adjective, dull, boring, tedious)
1
depressing(adjective, dull, boring, tedious, dreary)
1
dry as dust(expression, idiom, dullness)
1
dusty(adjective, dull, boring, tedious, dreary)
1
jejune(adjective, dull, boring, tedious, dreary)
1
nowhere(adjective, dull, boring, tedious, dreary)
1
pointless
1
prosing
1
unlively
11 years ago|1.4k views|share |citing 
APASmart Define. (2015). unentertaining thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/unentertaining/thesaurus/synonyms
ChicagoSmart Define. 2015. "unentertaining thesaurus" https://smartdefine.org/unentertaining/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, unentertaining thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/unentertaining/thesaurus/synonyms>.
MLASmart Define. "unentertaining thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/unentertaining/thesaurus/synonyms>