Definition of "endeavor" in English

noun

1. A sincere attempt; a determined or assiduous effort towards a specific goal; assiduous or persistent activity.

verb

1. (obsolete) To exert oneself.

2. (intransitive) To attempt through application of effort (to do something); to try strenuously.

3. (obsolete, transitive) To attempt (something).

4. To work with purpose.