optional in the PONS Dictionary

Monolingual examples (not verified by PONS Editors)

English
Curing ingredients (sodium erythorbate and sodium nitrite) are optional.
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Note that there are several optional approaches here, depending on the precision of the waveform timing, among other things.
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The player progresses through the story by completing a series of quests within each act, with optional quests providing additional rewards.
en.wikipedia.org
All safety features are standard across the entire range and there are no optional safety devices.
en.wikipedia.org
For example, a nonlinear game may permit multiple sequences to finish the game, a choice between paths to victory, or optional side-quests and subplots.
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Cassette-based and PROM storage were optional extras, a sound card was not included but a design for one was provided.
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This component is optional: some paints have no diluent.
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Each of the trim lines had an optional panoramic glass sunroof that covered a large part of the roof.
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Optional suffixes includes such things as object, direction, aspectual markers, benefactive and various kinds of intensifiers and quantifiers.
en.wikipedia.org
If it is really fast, the tip could be small and may even remain optional.
en.wikipedia.org

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