noun / verb

endeavor

in-DEV-er/ɪnˈdɛvər/

An earnest attempt to achieve something.

The climber grips the rock in a determined endeavor to reach the top.

Climber makes strenuous determined effort up steep rocky path, hands gripping secure rock, no dangerous unsupported equipment.

Etymology

To put oneself “in duty” was to make something one's duty. That commitment became the idea of taking pains to achieve an object, giving endeavor its sense of a serious effort.

In context

The Physics & Cosmos Academy5:35

This shared endeavor breaks down the barriers between the scientific community and the public

Eclipses: The Cosmic Dance of Shadow and Light | Solar and Lunar Eclipse | Space Documentary 2025

More examples

We endeavor to answer every question honestly.
Her scientific endeavors require patience and careful observation.
The neighbors endeavored to save their local library.

Forms

endeavor · endeavors · endeavored · endeavoring

Similar words

attempt: Focuses on trying, without necessarily implying sustained or earnest effort.
effort: Emphasizes exertion rather than a specific attempt or project.
undertaking: Names a task or project rather than the effort itself.