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5 definitions found
From:
DICT.TW English-Chinese Dictionary 英漢字典
op·tion·al
/ˈɑpʃnəl, ʃənḷ/
(
a
.)可選擇的,隨意的
From:
Taiwan MOE computer dictionary
optional
可選擇的
From:
Network Terminology
optional
任選 選項
From:
Webster's Revised Unabridged Dictionary (1913)
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.
If
to
the
former
the
movement
was
not
optional
,
it
was
the
same
that
the
latter
chose
when
it
was
optional
.
--
Palfrey
.
Original
writs
are
either
optional
or
peremptory
.
--
Blackstone
.
◄
►
From:
WordNet (r) 2.0
optional
adj
:
possible
but
not
necessary
;
left
to
personal
choice
[
ant
:
obligatory
]
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