optional
adjective
op·tion·al
ˈäp-sh(ə-)nəl 
: involving an option : not compulsory
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
The two-hour tour (with optional picnicking time) is available Tuesday through Saturday from 10AM to 2PM.
—
Michael Goldstein, Forbes.com, 16 Sep. 2025
Load times feel snappier, big game installs move quicker, and the optional heatsink fits neatly in Sony’s console without hassle.
—PC Magazine, 15 Sep. 2025
That’s optional, as are many other expenses that have my head spinning, like a parking spot (that costs over $100).
—Melissa Willets, Parents, 15 Sep. 2025
In addition to a two-sleeper with rear bedroom, buyers can turn the Signature into a four-sleeper with the addition of an optional front lift-away bed.
—New Atlas, 15 Sep. 2025
See All Example Sentences for optional
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Michael Goldstein, Forbes.com, 16 Sep. 2025
Load times feel snappier, big game installs move quicker, and the optional heatsink fits neatly in Sony’s console without hassle.
—PC Magazine, 15 Sep. 2025
That’s optional, as are many other expenses that have my head spinning, like a parking spot (that costs over $100).
—Melissa Willets, Parents, 15 Sep. 2025
In addition to a two-sleeper with rear bedroom, buyers can turn the Signature into a four-sleeper with the addition of an optional front lift-away bed.
—New Atlas, 15 Sep. 2025
See All Example Sentences for optional
Cite this Entry
“Optional.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/optional. Accessed 17 Sep. 2025.
Copy CitationKids Definition
optional
adjective
op·tion·al
ˈäp-shnəl
-shən-ᵊl
: left to one's choice : not required
optional equipment on a new car
optionally
adverb
-ē
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