abort

1 of 2

verb

aborted; aborting; aborts

intransitive verb

1
: to bring forth stillborn, nonviable, or premature offspring
2
: to become checked in development so as to degenerate or remain rudimentary
3
: to terminate a procedure prematurely
the pilot decided to abort due to mechanical difficulties

transitive verb

1
a
: to induce the abortion of or give birth to prematurely
b
: to terminate the pregnancy of before term
2
a
: to terminate prematurely : cancel
abort a project
abort a spaceflight
b
: to stop in the early stages
abort a disease
aborter noun

abort

2 of 2

noun

: the premature termination of a flight (as of an aircraft or spacecraft), a mission, or an action or procedure relating to a flight
a launch abort

Examples of abort in a Sentence

Verb They decided to abort the pregnancy. abort the launch of a rocket I suggest that you abort the project. The mission had to be aborted. When problems occurred during the launch, it was necessary to abort.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Verb
The loss of contact resulted in two commercial jets abruptly aborting landings to prevent a potential collision, the outlet reports. Madison E. Goldberg, People.com, 24 May 2025 McIntosh's announcement comes just after the U.S. Army temporarily halted helicopter flight operations near Ronald Reagan Washington National Airport after two commercial aircraft were forced to abort landings due to the presence of an Army Black Hawk helicopter en route to the Pentagon. Gabe Whisnant, MSNBC Newsweek, 14 May 2025
Noun
Testifying before the Senate Commerce Committee, McIntosh said the issue only came to light after a recent incident forced two commercial flights to abort landings. Samantha-Jo Roth, The Washington Examiner, 14 May 2025 Despite the restriction, safety concerns persist; even this past Sunday, three commercial flights were ordered to abort landings due to a police helicopter. Gabe Whisnant, MSNBC Newsweek, 14 May 2025 See All Example Sentences for abort

Word History

Etymology

Verb

in part borrowed from Latin abortus, past participle of aborīrī "to pass away, be lost, (of a fetus) miscarry, be aborted, (of a woman) miscarry," from ab- ab- + orīrī "to rise, come into existence, be born"; in part borrowed from Late Latin abortīre and abortīrī "(of a woman) to miscarry," derivatives of Latin aborīrī — more at orient entry 2

Noun

noun derivative of abort entry 1

First Known Use

Verb

1540, in the meaning defined at intransitive sense 1

Noun

1944, in the meaning defined above

Time Traveler
The first known use of abort was in 1540

Browse Nearby Words

Cite this Entry

“Abort.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/abort. Accessed 1 Jun. 2025.

Kids Definition

abort

verb
ə-ˈbȯrt
1
: to bring forth premature or stillborn offspring
2
: to become checked in development
3
: to put an end to before completion
abort a project

Medical Definition

abort

intransitive verb
: to bring forth premature or stillborn offspring
the patient aborted spontaneously
compare miscarry

transitive verb

1
a
: to induce the abortion of or give birth to prematurely
b
: to terminate the pregnancy of before term
2
: to stop in the early stages
abort a disease
aborter noun

Legal Definition

abort

transitive verb
: to induce the expulsion of (a human fetus)

More from Merriam-Webster on abort

Last Updated: - Updated example sentences
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