casual

形容词比较级：more casual

形容词最高级：most casual

名词复数：casuals

词形变化：

副词: casually | 名词: casualness |

同义词：

chance | informal | accidental | nonchalant | occasional | unexpected | random | contingent | adventitious | desultory | fortuitous | haphazard | colloquial | natural | unpremeditated | unplanned | unintentional | seasonal | temporary | relaxed | laid-back | calm | indifferent | careless | offhand | cavalier | passing | fooling | daily | perfunctory | free-and-easy | everyday | insouciant | irregular | effortless | cursory |

反义词：

planned |

词义辨析：

同义:

a.偶然的; 随便的

accidental

chance

unexpected

adventitious

contingent

fortuitous

desultory

random

informal

同义参见:

occasional

nonchalant

haphazard

colloquial

反义:

a.偶然的; 非正式的

planned

regular

反义参见:

formal