Abortive

1. n. A medicine to which is attributed the property of causing abortion.
2. v. Produced by abortion; born prematurely; as, an abortive child.
3. v. Made from the skin of a still-born animal; as, abortive vellum.
4. v. Rendering fruitless or ineffectual.
5. v. Coming to naught; failing in its effect; miscarrying; fruitless; unsuccessful; as, an abortive attempt.
6. v. Imperfectly formed or developed; rudimentary; sterile; as, an abortive organ, stamen, ovule, etc.
7. v. Causing abortion; as, abortive medicines.
8. v. Cutting short; as, abortive treatment of typhoid fever.
9. n. That which is born or brought forth prematurely; an abortion.
10. n. A fruitless effort or issue.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.