212 entries under adjective topic. ×

1
doltish
1
dopy(tired, lethargic, sleepy, dazed)
1
draggy(dull, quiet, slow, heavy)
1
driveling(flat, stupid, ordinary, dry)
1
droning(dull, flat, boring, tedious)
1
dull as dishwater(expression, idiom, dull, boring)
1
dusty(dull, boring, tedious, dreary)
1
ennuyant
1
faint
1
familiar(flat, stupid, ordinary, dry)
1
flat as pancake(expression, idiom, dull, boring)
1
hackneyed(flat, stupid, ordinary, dry)
1
ho hum(expression, dull, flat, ordinary)
1
hoary(flat, stupid, ordinary, dry)
1
indolent(tired, lethargic, sleepy, dazed)
1
insensible
1
insentient
1
lackadaisical(tired, lethargic, sleepy, dazed)
1
lazy(tired, lethargic, sleepy, dazed)
1
lenitive
11 years ago|9.9k views|share |citing 
APASmart Define. (2015). soporific thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/soporific/thesaurus/synonyms
ChicagoSmart Define. 2015. "soporific thesaurus" https://smartdefine.org/soporific/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, soporific thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/soporific/thesaurus/synonyms>.
MLASmart Define. "soporific thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/soporific/thesaurus/synonyms>