polyphasic

[ pol-ee-fey-zik ]

adjective

1. having more than two phases.
2. habitually doing more than one thing at a time:

   a polyphasic personality.

Word History and Origins

Origin of polyphasic¹

First recorded in 1920–25; polyphase + -ic

Example Sentences

An accidental polyphasic sleeper, Bartiromo rests in naps rather than eight-hour chunks like the rest of us.

From The Daily Beast