(1):

(v.) Rendering fruitless or ineffectual.

(2):

(v.) Coming to naught; failing in its effect; miscarrying; fruitless; unsuccessful; as, an abortive attempt.

(3):

(v.) Made from the skin of a still-born animal; as, abortive vellum.

(4):

(v.) Produced by abortion; born prematurely; as, an abortive child.

(5):

(v.) Imperfectly formed or developed; rudimentary; sterile; as, an abortive organ, stamen, ovule, etc.

(6):

(v.) Cutting short; as, abortive treatment of typhoid fever.

(7):

(n.) That which is born or brought forth prematurely; an abortion.

(8):

(n.) A fruitless effort or issue.

(9):

(n.) A medicine to which is attributed the property of causing abortion.

(10):

(v.) Causing abortion; as, abortive medicines.