polyphasic

[ pol-ee-fey-zik ]
/ ˌpɒl iˈfeɪ zɪk /

adjective

having more than two phases.
habitually doing more than one thing at a time: a polyphasic personality.

Origin of polyphasic

First recorded in 1920–25; polyphase + -ic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019