abrupt.

1. Sudden and unexpected, without a smooth transition.

2. Speaking or acting so briefly that it seems unfriendly or impatient.

Use it for

Words that belong together

• abrupt change
• abrupt ending

On the page

The music stopped with an abrupt crackle.

Usage notes

Primary category: literary / elevated general. Forms: Comparative more abrupt; superlative most abrupt when comparison is meaningful. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings. Established modern English lexical item. No separate regional spelling or grammatical inflection entry. Commonness: moderately common.