incidental

名词复数：incidentals

同义词：

adventitious | occasional | side | contingent | accidental | extraneous | circumstantial | accompanying | attendant | related | secondary | subsidiary | supplementary | minor | incident | nonessential | concomitant | incidental expense | consequent | ensuant | resultant | sequent |

反义词：

basic |

词义辨析：

同义参见:

side

extraneous

circumstantial

occasional

adventitious

accidental

contingent