Optional

//ˈɒp.ʃə.nəl//

Word Type

Noun

Adjective

Adjective

The word "optional" can be used as noun, adjective and adjective.

Word Relationships

Opposites (Antonyms)

compulsory mandatory obligatory obligatory

Derived Terms

clothing optional optionalize unoptional

Derived From

Distinct From

compulsory mandatory nonelective obligatory required

Context

Related Terms

acquiescent option optionality optionally

Related Terms

academic choice compulsory course data type elective option optionality optionally personal programming language swift value variable

Similar Terms

elective ex gratia ex gratia facultative facultative nonmandatory nonobligatory nonobligatory

Synonym Network

discretionary elective facultative voluntary

More for "optional"

Meaning Synonyms Word Forms Antonyms

Related Topic Clusters

Product and UX Writing Vocabulary

Interface and product-copy language for onboarding, errors, and feature guidance.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.