28 entries under noun topic. ×
| drowsiness | |
| sleepiness | |
| coma(liveliness, unconsciousness) | |
| somnolence | |
| inattentiveness | |
| lethargy(action, energy) | |
| sleep(suspension, consciousness) | |
| slumber(sleep, consciousness) | |
| stupor | |
| carelessness | |
| inattention | |
| apathy | |
| attentiveness | |
| blackout | |
| disregard | |
| dreamland | |
| forgetfulness | |
| heedlessness | |
| inadvertence | |
| inadvertency |
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| APA | Smart Define. (2015). wakefulness thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/wakefulness/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "wakefulness thesaurus" https://smartdefine.org/wakefulness/thesaurus/antonyms (accessed October 1, 2026). |
| Harvard | Smart Define 2015, wakefulness thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/wakefulness/thesaurus/antonyms>. |
| MLA | Smart Define. "wakefulness thesaurus" 14 April 2015. Web. 1 October 2026. <https://smartdefine.org/wakefulness/thesaurus/antonyms> |