optional

Sentences
An user
The   footbridge   was   replaced   so as to   incorporate   optional   lifts   to the   platforms .
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Meaning

Opposite of
compulsory, mandatory, necessary, obligatory, optional
Synonyms

voluntary
C2
elective
31k
facultative
alternative
B2
random
B2

not obligatory

selective
C2
electable
eligible
C2
extracurricular
26k
extraneous
47k
extrinsic
free will

if desired

inessential
needless
C2
non-specific
opt
28k
peripheral
27k
permissive
substitute
C1
unessential
unneeded
unspecified

not required

unrequired

non-obligatory

alternate
C2
opt.
any
A1
arbitrary
21k
at will
discretion
C1
discretionary
41k
dispensable
Translations

optionnel
facoltativo
opzionale
opcional
facultatif

προαιρετικός

wahlfrei

optional
opcional
facultatief
facultativo
optativo

wahlweise

fakultativ
opcional
Frequency

22k
Pronounced as (IPA)
/ˈɒp.ʃə.nəl/
Etymology

From option + -al.

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