optional

adjective

op·​tion·​al ˈäp-sh(ə-)nəl How to pronounce optional (audio)
: 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.
But this is precisely why women's involvement in AI is not optional. Erin Grau, TIME, 29 Jan. 2025 The excellent and recommended 14–speaker JBL sounds system is optional and like the Toyota Tacoma, the 4Runner features a JBL Flex portable speaker that is removable from the dash and works through Bluetooth. Barbara A. Perry, Newsweek, 28 Jan. 2025 Steamed asparagus, for serving Melting Potatoes, for serving (optional) Directions Prepare oven and season steaks: Preheat oven to 250°F. Marianne Williams, Southern Living, 28 Jan. 2025 Sustainability Takes Center Stage Sustainable production and consumption are no longer optional. Anisha Sircar, Forbes, 24 Jan. 2025 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

Dictionary Entries Near optional

Cite this Entry

“Optional.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/optional. Accessed 2 Feb. 2025.

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

More from Merriam-Webster on optional

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!