Opsiyoneldir
Opsiyoneldir is a Turkish grammatical form meaning “is optional.” It is a declarative predicate formed by the adjective opsiyonel (optional) and the third-person singular present copula dir, used to state that a feature or field is not required.
Usage in Turkish is common in formal contexts such as instruction manuals, policy documents, and forms where
Etymology and terminology: opsiyonel comes from the English word optional, adapted into Turkish. The noun opsiyon
Grammatical notes: The copula has variants -dır, -dir, -dur, -dür depending on vowel harmony with the stem;