As with any makeup step, eyeliner is completely optional. From an artistic perspective, if you are wearing eyeshadow, I almost always recommend wearing eyeliner, unless your eyelids and …

The final (optional) element of the sequence gives the values of the syntactic functions, adjuncts and specifiers (in any order, distinguished by their role names).

The meaning of OPTIONAL is involving an option : not compulsory. How to use optional in a sentence.

optional 形容詞 任意の 随意的な possible but not necessary; left to personal choice. 可能であるが、必要でない。 個人の選択に任せられる。

OPTIONAL definition: left to one's choice; not required or mandatory. See examples of optional used in a sentence.

optional [ˈɒpʃənl]という用語は、必須または必須ではなく、むしろ自分の選択に任せているものを指します。 「このイベントではドレスコードはオプションです」のように、ドレスコードからコース …

「optional」とは、「任意の」や「随意の」「自由意思の」といった人が自らの考えで物事を決められる状況にあることを意味する英語表現である。

Definition of optional adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

OPTIONAL definition: 1. If something is optional, you can choose if you want to do it, pay it, buy it, etc.: 2. If…. Learn more.

If something is optional, you can choose whether or not you do it or have it. A holiday isn't an optional extra. In this stressful, frantic world it's a must. Sex education is a sensitive area for some parents, …