ABRUPTLY

abruptly, suddenly, short, dead

(adverb) quickly and without warning; “he stopped suddenly”

Source: WordNet® 3.1

abruptly (comparative more abruptly, superlative most abruptly)

In an abrupt manner; without giving notice, or without the usual forms; suddenly; precipitously. [First attested in the late 16^th century.]

Source: Wiktionary

Ab*rupt"ly, adv.

1. In an abrupt manner; without giving notice, or without the usual forms; suddenly.

2. Precipitously. Abruptly pinnate (Bot.), pinnate without an odd leaflet, or other appendage, at the end. Gray.

ABRUPT

Ab*rupt", a. Etym: [L. abruptus, p. p. of abrumpere to break off; ab + rumpere to break. See Rupture.]

1. Broken off; very steep, or craggy, as rocks, precipices, banks; precipitous; steep; as, abrupt places. "Tumbling through ricks abrupt," Thomson.

2. Without notice to prepare the mind for the event; sudden; hasty; unceremonious. "The cause of your abrupt departure." Shak.

3. Having sudden transitions from one subject to another; unconnected. The abrupt style, which hath many breaches. B. Jonson.

4. (Bot.)

Definition: Suddenly terminating, as if cut off. Gray.

Syn.

– Sudden; unexpected; hasty; rough; curt; unceremonious; rugged; blunt; disconnected; broken.

Ab*rupt", n. Etym: [L. abruptum.]

Definition: An abrupt place. [Poetic] "Over the vast abrupt." Milton.

Ab*rupt", v. t.

Definition: To tear off or asunder. [Obs.] "Till death abrupts them." Sir T. Browne.

Source: Webster’s Unabridged Dictionary 1913 Edition