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
Place the basil leaves (and optional lemon zest) into a clean glass jar.
—
Claudia Alarcón, Forbes.com, 30 May 2025
Inside the cozy cockpit, leather, burl wood, and side curtains with sliding plastic windows take the driver back many decades to a time when radios were an optional nuisance—all that mattered was the vehicle and the road.
—Robert Ross, Robb Report, 30 May 2025
The optional upstairs bedroom space sleeps two people, providing a four-person family camper option.
—New Atlas, 29 May 2025
But the black-tie optional wedding would have no wine service at its buffet dinner, and would only offer an open bar at cocktail hour.
—Rachel Raposas, People.com, 29 May 2025
See All Example Sentences for optional
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Claudia Alarcón, Forbes.com, 30 May 2025
Inside the cozy cockpit, leather, burl wood, and side curtains with sliding plastic windows take the driver back many decades to a time when radios were an optional nuisance—all that mattered was the vehicle and the road.
—Robert Ross, Robb Report, 30 May 2025
The optional upstairs bedroom space sleeps two people, providing a four-person family camper option.
—New Atlas, 29 May 2025
But the black-tie optional wedding would have no wine service at its buffet dinner, and would only offer an open bar at cocktail hour.
—Rachel Raposas, People.com, 29 May 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 2 Jun. 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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