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facultative

[fak-uhl-tey-tiv] / ˈfæk əlˌteɪ tɪv /
ADJECTIVE
optional
Synonyms
WEAK
discretional discretionary elective noncompulsory nonobligatory not required volitional voluntary

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.

Facultative multicellular organisms are organisms that can exist either as single cells or in a multicellular form depending on environmental conditions.

From Science Daily • May 21, 2024

Facultative carnivores are those that also eat non-animal food in addition to animal food.

From Textbooks • Jun. 9, 2022