OPTIONAL


Meaning of OPTIONAL in English

— optionality , n. — optionally , adv.

/op"sheuh nl/ , adj.

1. left to one's choice; not required or mandatory: Formal dress is optional.

2. leaving something to choice.

[ 1755-65; OPTION + -AL 1 ]

Syn. 1. discretional, elective, voluntary.

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .