Abruptly adv. : In an abrupt manner; without giving notice, or without the usual forms; suddenly.

Abruptly adv. : Precipitously.

Example:
What makes you wake up Abruptly in the middle of a good dream?

Taxonomy
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Defination from the web:
abruptly in the Online Dictionary. Meaning of abruptly. Pronunciation of abruptly. Translations of abruptly. abruptly synonyms, abruptly antonyms. ... when the author of the new morality had thus abruptly revealed himself to the innocent admiration of Gisquette and ...