insomnious

Adjective

Meaning

Restless; sleepless.

Source: Webster's dictionary

Synonyms

restless sleepless wakeful aware alive careful alert cautious wary waking awake observant attentive watchful alertness
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Antonyms

lost sleepy sleeping asleep dormant drowsy
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Close letter words and terms

insomnia insomnia or wakefulness insomniac insomnolence insomnolency insomnolent