Abortive

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