occasional

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：

customary |

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