形容詞 unceremonious:

1. without ceremony or formality
   同義詞：unceremonial
2. without due formalities

1. An unceremonious dismissal, as from a job.
   解雇一種非禮節(jié)性免職，如從工作上的
2. Their divorce was an unceremoniousaffair.
   他們離婚沒有莊重的形式。
3. The dinner was a relaxed, unceremonious occasion.
   那次宴會很輕松，隨隨便便。