optional

adjective

op·​tion·​al ˈäp-sh(ə-)nəl How to pronounce optional (audio)
Synonyms of optionalnext
: involving an option : not compulsory
optionality noun
optionally adverb

Examples of optional in a Sentence

Jackets are required at the restaurant, but ties are optional. Many optional features are available on this car. Registration is optional, not mandatory.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The company is selling highly customizable electric vehicles that come with few standard features, but plenty of optional add-ons. Charles Singh, USA Today, 1 July 2026 But that works against backward compatibility, so the hope would be at least an optional disc drive will still be sold. Paul Tassi, Forbes.com, 1 July 2026 Although the law, signed last year, doesn’t directly target home care, experts expect many states will respond by cutting those services, which are optional under federal law. Mike Hixenbaugh, NBC news, 30 June 2026 In a second bowl, combine chicken broth, cornstarch, chicken powder, and optional sugar and white pepper if desired. Candy Hom, AJC.com, 28 June 2026 See All Example Sentences for optional

Word History

First Known Use

1765, in the meaning defined above

Time Traveler
The first known use of optional was in 1765

Browse Nearby Words

Cite this Entry

“Optional.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/optional. Accessed 3 Jul. 2026.

Kids Definition

optional

adjective
op·​tion·​al ˈäp-shnəl How to pronounce optional (audio)
-shən-ᵊl
: left to one's choice : not required
optional equipment on a new car
optionally
adverb

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