multifactorial

UK: /ˌmʌltɪfækˈtɔːrɪəl/

US: (mul′tē fak tôr′ē əl, -tōr′-, mul′tī-)

WordReference Random House Unabridged Dictionary of American English © 2026

mul•ti•fac•to•ri•al  (mul′tē fak tôr′ē əl, -tōr′-, mul′tī-), adj. 

1. having or stemming from a number of different causes or influences:
   Some medical researchers regard cancer as a multifactorial disease.

• multi- + factor + -ial 1915–20

mul′ti•fac•to′ri•al•ly, adv. 

Collins Concise English Dictionary © HarperCollins Publishers::

multifactorial / ˌmʌltɪfækˈtɔːrɪəl/ adjective

1. Also : multifactor involving or including a number of elements or factors