optional 音標拼音: ['ɑpʃənəl] ['ɔpʃənəl]
a . 可選擇的,隨意的
可選擇的,隨意的
optional 可選擇的
optional 任選 選項
optional adj 1 :
possible but not necessary ;
left to personal choice [
ant :
{
obligatory }]
Optional \
Op "
tion *
al \,
a .
Involving an option ;
depending on the exercise of an option ;
left to one '
s discretion or choice ;
allowed but not compulsory ;
as ,
optional studies ;
it is optional with you to go or stay . --
n .
See {
Elective },
n .
[
1913 Webster ]
If to the former the movement was not optional ,
it was the same that the latter chose when it was optional .
--
Palfrey .
[
1913 Webster ]
Original writs are either optional or peremptory .
--
Blackstone .
[
1913 Webster ]
38 Moby Thesaurus words for "
optional ":
alternative ,
arbitrary ,
autonomous ,
discretional ,
discretionary ,
disjunctive ,
elective ,
free ,
free will ,
gratuitous ,
independent ,
nonmandatory ,
offered ,
proffered ,
self -
acting ,
self -
active ,
self -
determined ,
self -
determining ,
spontaneous ,
unasked ,
unbesought ,
unbidden ,
uncalled -
for ,
uncoerced ,
uncompelled ,
unforced ,
uninfluenced ,
uninvited ,
unpressured ,
unprompted ,
unrequested ,
unrequired ,
unsolicited ,
unsought ,
volitional ,
voluntary ,
volunteer ,
willful
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OPTIONAL Definition Meaning - Merriam-Webster OPTIONAL | English meaning - Cambridge Dictionary OPTIONAL Definition Meaning - Dictionary. com Optional - definition of optional by The Free Dictionary optional adjective - Definition, pictures, pronunciation and usage . . . optional - Wiktionary, the free dictionary OPTIONAL - Definition Translations | Collins English Dictionary Optional Definition Meaning - YourDictionary OPTIONAL Synonyms: 20 Similar and Opposite Words - Merriam-Webster OPTIONAL definition | Cambridge Essential American Dictionary