Abortive
Part of speech: noun
Definition: That which is born or brought forth prematurely; an abortion. A fruitless effort or issue. A medicine to which is attributed the property of causing abortion, abortifacient - Dunglison
Part of speech: adjective
Definition: Produced by abortion; born prematurely; as an abortive child. Made from the skin of a still-born animal; as an abortive vellum. Rendering fruitless or ineffectual. Coming to naught; failing in its effect; miscarrying; fruitless; unsuccessful; as, an abortive attempt. Imperfectly formed or developed; rudimentary; sterile; as, an abortive organ, stamen, ovule, etc. Causing abortion; as, abortive medicines. - Parr Cutting short; as, abortive treatment of typhoid fever.
Unsuccessful
Part of speech: adjective
Definition: Failed, not successful.
Example sentence: The unsuccessful person is burdened by learning, and prefers to walk down familiar paths. Their distaste for learning stunts their growth and limits their influence.