unceremonious:

done in a rude, sudden or informal way

unceremonious:

done in a rude, sudden or informal way

(Adjective)

Example Sentences:

Ramayana:  For most onlookers, Ravana’s kicking away of Vibhishana’s crown signified the latter’s unceremonious removal from the demon’s cabinet.

Mahabharata:  Although Duryodhana welcomed Krishna to Hastinapura with a grand ceremony, his eventual rejection of Krishna’s peace proposal was quite unceremonious.

Bhagavad-gita:  Many people worry that their death may be unceremonious, whereas what they should actually worry about is their post-death destination.