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Word of the Day Tuesday, June 9, 2026

polyphasic

/ˌpɒlɪˈfeɪzɪk/ adjective · British & US
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What does polyphasic mean?

adjective

Having or relating to multiple phases or periods of sleep and wakefulness in a 24-hour cycle, often involving more than one sleep period per day.

Example

"The polyphasic sleep schedule allowed her to be more productive and efficient with her time."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for polyphasic

Antonyms of polyphasic

Rhymes with polyphasic

Etymologically related