optional


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op·tion·al

 (ŏp′shə-nəl)
adj.
Left to choice; not compulsory or automatic.

op′tion·al·ly adv.

optional

(ˈɒpʃənəl)
adj
possible but not compulsory; left to personal choice
ˈoptionally adv

op•tion•al

(ˈɒp ʃə nl)

adj.
left to one's choice; not required or mandatory: Formal dress is optional.
[1755–65]
op′tion•al•ly, adv.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.optional - possible but not necessary; left to personal choice
obligatory - morally or legally constraining or binding; "attendance is obligatory"; "an obligatory contribution"

optional

adjective voluntary, open, discretionary, possible, extra, elective, up to the individual, noncompulsory Some people feel sex education should remain an optional school subject.
required, compulsory, mandatory, obligatory, de rigueur (French)

optional

adjective
Not compulsory or automatic:
Translations
volitelný
valgfrivalgfrit
valinnainen
neobavezan
szabadon választhatóválasztható
valfrjáls
自由選択の
자유선택의
nepovinnývoliteľný
izbiren
valfri
ซึ่งเป็นทางเลือก
tùy chọn

optional

[ˈɒpʃənl] ADJ [course, subject] → optativo, facultativo; [part, accessory] → opcional
that is completely optionaleso es completamente opcional
optional extra (Aut) → accesorio m opcional, extra m
"dress optional"no se requiere (ir de) etiqueta

optional

[ˈɒpʃənəl] adj
[course, subject] → optionnel(le)
[feature, extra] → en option
optional extras → accessoires mpl en option, options fploptions market nmarché m des options

optional

adj (= not compulsory)freiwillig; (= not basic) trim, mirror etcauf Wunsch erhältlich; “evening dress optional„Abendkleidung nicht Vorschrift; “fancy dress optional„kein Kostümzwang“; optional extrasExtras pl; the cigar lighter is an optional extrader Zigarettenanzünder wird auf Wunsch eingebaut; optional subject (Sch, Univ) → Wahlfach nt

optional

[ˈɒpʃənl] adj (course, subject, ingredient) → facoltativo/a
optional extra (Comm) → optional m inv

option

(ˈopʃən) noun
choice. You have no option but to obey him.
ˈoptional adjective
a matter of choice. Music is optional at our school; an optional subject.

optional

اِخْتِيَارِيٌّ volitelný valgfri freiwillig προαιρετικός opcional valinnainen optionnel neobavezan facoltativo 自由選択の 자유선택의 optioneel valgfri opcjonalny opcional необязательный valfri ซึ่งเป็นทางเลือก isteğe bağlı tùy chọn 可选择的
References in classic literature ?
However that may be, I have never regretted that cowardice is not optional with me.
There were yet another class of persons--those who were waiting to attend summonses their employers had taken out, which it was optional to the attorney on the opposite side to attend or not--and whose business it was, from time to time, to cry out the opposite attorney's name; to make certain that he was not in attendance without their knowledge.
In fact, the optional service to a certain extent to meet the needs of customers is a stimulating factor, so we assume that the demand is subject to the impact of optional services.
CPE Credits: 18 (main), up to 8 (optional) and 2 (complimentary workshop) Pre-Conference Optional Workshops: Wednesday, March 22
LASER_INTERFEROMETER: OPTIONAL LASER_INTERFEROMETER_DEF;
First, the IRS responded favorably to the recommendation from TEI and others to permit plans to eliminate all optional forms of benefit except the lump-sum option.
It comes with an optional integrated thermal printer for trend analysis and documentation.
Graham also offers a robot part remover with pneumatic actuation, single- or dual-station water-cooled grippers, and optional hinged mounting to allow it to swing out of the way.
Styling is plainly utilitarian, but there's plenty of room inside for five adults (or six in a pinch with the optional front bench seat).
A holder of Notes also has the right to require the Operating Partnership to repurchase such holder's Notes, in whole or in any portion of the principal amount thereof that is equal to $1,000 or an integral multiple thereof), on August 18, 2011, for an amount in cash equal to 100% of the principal amount of the Notes to be repurchased plus accrued and unpaid interest up to, but excluding, the optional repurchase date.