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.
specified in the Optional Conversion Notice, the whole (but not part
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.
Further, Plan D does not have to provide the same optional forms of benefit for the rollover amounts provided under Plan C.
An extended wheelbase of more than 48 inches on the Model 6640E, and lower center-of-gravity, combined with the optional Hydraglide(TM) ride control system, deliver a smoother, more stable ride.