28 entries under characteristics topic. ×

1
slumberous(adjective, substance, narcotic)
1
slumbrous(adjective, substance, narcotic)
1
somniferous(adjective, substance, narcotic)
1
somnolent(adjective, substance, narcotic)
1
soporific(adjective, substance, narcotic)
1
stodgy(adjective, attitude, traits)
1
stuffy(adjective, attitude, traits)
1
unaired(adjective, attitude, traits)
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APASmart Define. (1970). without needing oxygen thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/without_needing_oxygen/thesaurus/related
ChicagoSmart Define. 1970. "without needing oxygen thesaurus" https://smartdefine.org/without_needing_oxygen/thesaurus/related (accessed September 29, 2026).
HarvardSmart Define 1970, without needing oxygen thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/without_needing_oxygen/thesaurus/related>.
MLASmart Define. "without needing oxygen thesaurus" 1 January 1970. Web. 29 September 2026. <https://smartdefine.org/without_needing_oxygen/thesaurus/related>