1
arid
1
bald
1
balmy
1
calmative
1
depressant
1
dozy
1
draggy(adjective, quiet, slow, heavy, sleepy)
1
dreamy
1
dry
1
flat
1
humdrum
1
irksome
1
lazy
1
monotonous
1
mortal
1
napping
1
out of it(expression, adjective, idiom, quiet, slow)
1
prosing
1
prosy
1
quietening
11 years ago|2k views|share |citing 
APASmart Define. (2015). somniferous thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/somniferous/thesaurus/synonyms
ChicagoSmart Define. 2015. "somniferous thesaurus" https://smartdefine.org/somniferous/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, somniferous thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/somniferous/thesaurus/synonyms>.
MLASmart Define. "somniferous thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/somniferous/thesaurus/synonyms>