Dictionary.com
Thesaurus.com

multifactorial

American  
[muhl-tee-fak-tawr-ee-uhl, -tohr-, muhl-tahy-] / ˌmʌl ti fækˈtɔr i əl, -ˈtoʊr-, ˌmʌl taɪ- /

adjective

  1. having or stemming from a number of different causes or influences.

    Some medical researchers regard cancer as a multifactorial disease.


multifactorial British  
/ ˌmʌltɪfækˈtɔːrɪəl /

adjective

  1. genetics of or designating inheritance that depends on more than one gene

  2. involving or including a number of elements or factors

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • multifactorially adverb

Etymology

Origin of multifactorial

First recorded in 1915–20; multi- + factor + -ial

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Diplomatic resolutions are multifactorial, especially when the military has been deployed.

From Barron's • Mar. 4, 2026

Muscle strength is a multifactorial trait influenced by lifestyle and environmental factors but also by numerous genetic variants, each with a very small effect on muscle strength.

From Science Daily • Apr. 12, 2024

“This could be a multifactorial presentation that we're seeing,” Lyons said.

From Science Magazine • Apr. 4, 2024

Once again, it's a multifactorial system we live in.

From Salon • Oct. 24, 2021

Most of the common diseases, such as heart disease, are multifactorial or polygenic, which refers to a phenotypic characteristic that is determined by two or more genes, and also environmental factors such as diet.

From Textbooks • Apr. 25, 2013