English Reference

Word

abort

US/əˈbɔɹt/

UK/ɐbˈɔːt/

Definition

v. to stop a process or plan before it is finished, usually because something has gone wrong. You use this when you need to cancel an action immediately.

v. to terminate a procedure, mission, or process prematurely, typically due to a fault or safety concern. Often used in technical, military, or computing contexts.

Examples

“The pilot had to abort the takeoff due to a warning light.”

“The software will abort the installation if it detects that there is not enough disk space available.”

“Ground control made the difficult decision to abort the mission after a critical failure in the secondary cooling system was identified during the final countdown.”

Examples

simple

“The pilot had to abort the takeoff due to a warning light.”

contextual

“The software will abort the installation if it detects that there is not enough disk space available.”

complex

“Ground control made the difficult decision to abort the mission after a critical failure in the secondary cooling system was identified during the final countdown.”

Usage

The verb is transitive when referring to a specific plan or process, but can be used intransitively in emergency commands.

Pitfall

The system was aborted by the error.

The system aborted due to the error.

In computing, 'abort' is often used intransitively to describe a program stopping itself, rather than being the object of the action.

Etymology

From Middle English, from Latin abortus, perfect active participle of aborior (“miscarry”), formed from ab + orior (“to come into being”). Doublet of abortus.

From Latin abortare, from abortus, from aboriri (“miscarry”), from ab- (“not”) + oriri (“come into being, arise, appear”).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

VERB

abort(B2)

Related words

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
Frequency
Frequent
Level
B2 · Upper Intermediate
Updated

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English Reference