occasional
词形变化：
动词过去式: occasioned | 动词过去分词: occasioned | 动词现在分词: occasioning | 动词第三人称单数: occasions |
同义词：
random | infrequent | irregular | chance | intermittent | sporadic | casual | periodic | unwonted | unfrequent | seldom | unusual | fitful | odd | rare | supplemental | accessory | effecting | purposive | effectuating | commemorative | festive | spare | supplementary | causative | extra | additional | added | prompting | memorial | impulsive | temporary | extraneous | causal | special | extempore | eliciting | auxiliary | annexed | provisional | holiday | driving | extemporaneous | germinal | extemporary | propulsive | impromptu | motivating | beginning | influential | incidental | surplus | part-time | starting | mushroom | contingent | uncommon | scare | episodic |
反义词：
词义辨析：
同义:
a.偶尔的, 随机的, 不常的
chance
irregular
intermittent
periodic
random
fitful
unfrequent
unusual
unwonted
seldom
sporadic
infrequent
casual
odd
a.补充的, 额外的, 暂时的
supplementary
supplemental
auxiliary
accessory
additional
added
annexed
extra
spare
surplus
extraneous
provisional
part-time
temporary
incidental
casual
a.纪念的, 有目的的, 特殊的, 庆典的, 即席的
purposive
special
commemorative
memorial
holiday
festive
extemporaneous
extemporary
extempore
impromptu
a.引起……的, 激发的, 推动的, 开始的
causative
causal
effecting
effectuating
eliciting
motivating
influential
prompting
impulsive
propulsive
driving
germinal
beginning
starting
同义参见:
contingent
mushroom
反义:
a.偶尔的; 临时的
customary