abruptness
Definitions
The quality of being sudden and unexpected.
A brusque or curt manner of speech or behavior.
The state of having a steep or sharp incline.
Examples
The abruptness of his departure left everyone in the room feeling confused and unsettled.
She was startled by the abruptness with which the teacher ended the lecture.
Synonyms
suddenness precipitousness brusqueness curtness unexpectedness bluntness haste
Antonyms
gradualness leisureliness smoothness politeness deliberateness gentleness continuity