unceremonious
adjective/ˌʌnˌserəˈməʊniəs/
/ˌʌnˌserəˈməʊniəs/
(formal)- done roughly and rudely
- He was bundled out of the room with unceremonious haste.
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unceremonious
Definition of unceremonious adjective from the Oxford Advanced Learner's Dictionary