/,ʌn,serɪ'məʊnɪəs; ,ʌnsɛrə`monɪəs/
adj
1 (a) without proper formality or dignity 无正规形式的; 不很庄重的
*Their divorce was an unceremoniousaffair. 他们离婚没有庄重的形式.
(b) without ceremony; informal 不拘礼节的; 非正式的; 随便的
*The dinner was a relaxed, unceremonious occasion. 那次宴会很轻松, 随随便便.
2 lacking in courtesy or politeness; rudely abrupt 不客气的; 无礼貌的; 粗鲁的; 唐突的
*his unceremonious departure, dismissal, removal, etc 他唐突离去、遭解雇、遭免职等.