accidental
名词复数：accidentals
词形变化：
同义词：
fortuitous | inadvertent | unintentional | unintended | unplanned | chance | casual | incidental | adventitious | unwitting | undesigned | unlooked-for | unthinking | unpremeditated | haphazard | stray | unanticipated | unforeseen | serendipitous | fluky | unexpected | freak | random | inessential | unessential | provisional | nonessential | conditional | external | extraneous | irrelevant | dependent | circumstantial | extrinsic | contingent | parenthetical | aimless | beside the point | the | point | beside |
反义词：
planned | voluntary | intentional |
词义辨析：
同义:
a.计划外的, 意料外的, 随意的
unintentional
unintended
unpremeditated
unplanned
undesigned
unwitting
unthinking
unexpected
unforeseen
unanticipated
unlooked-for
chance
fortuitous
serendipitous
random
stray
haphazard
casual
freak
fluky
inadvertent
a.额外的, 不必要的, 可有可无的
nonessential
unessential
inessential
incidental
extraneous
extrinsic
external
adventitious
circumstantial
contingent
dependent
conditional
provisional
irrelevant
beside the point
parenthetical
by-the-way
同义参见:
aimless
反义:
a.偶然的; 附属的
planned
intentional
voluntary
purposed
反义参见:
designed