Thesaurus:optional

Thesaurus

optional

English

Adjective

Sense: left to personal choice

Synonyms

• discretionary
• elective
• facultative
• free
• noncompulsory
• nonmandatory
• nonobligate
• nonobligatory
• nonrequired
• nonrequisite
• optional
• optionary
• unrequired
• volitional
• voluntary

Antonyms

• compulsory    [⇒ thesaurus]
• mandatory
• obligate
• obligatory
• required
• requisite    [⇒ thesaurus]

See also

• Thesaurus:acquiescent

Further reading

• “600. will” in Roget's Thesaurus, T. Y. Crowell Co., 1911.
• “609. choice” in Roget's Thesaurus, T. Y. Crowell Co., 1911.
• “optional” in Moby Thesaurus II, Grady Ward, 1996.