abort
(əˈbɔːt) verb 1 to undergo or cause (a woman) to undergo the termination of pregnancy before the fetus is viable
2 (transitive) to cause (a fetus) to be expelled from the womb before it is viable
3 (intransitive) to fail to come to completion; go wrong
4 (transitive) to stop the development of; cause to be abandoned
5 (intransitive) to give birth to a dead or nonviable fetus
6 (of a space flight, military operation, etc) to fail or terminate prematurely
7 (intransitive) (of an organism or part of an organism) to fail to develop into the mature form
▷ noun 8 the premature termination or failure of (a space flight, military operation, etc)
[C16: from Latin abortāre, from the past participle of aborīrī to miscarry, from ab- wrongly, badly + orīrī to appear, arise, be born]