unceremonious

英 [,ʌnserɪ'məʊnɪəs] 美[,ʌn,sɛrə'monɪəs]

• adj. 随便的，不拘礼节的；无礼貌的

1. without ceremony or formality;

"an unceremonious speech"

2. without due formalities;

"unceremonious dismissal from office"