on a mission

idiom

: undertaking a task that one considers to be a very important duty

She's on a mission to locate her lost sister.

Examples of on a mission in a Sentence

Recent Examples on the Web

So, Domínguez remaining the primary backup would seem to be a weakness for the Yankees, who over the past year have been on a mission to give manager Aaron Boone as much lineup versatility as possible. —Brendan Kuty, New York Times, 3 Feb. 2026

Once Artemis 2 launches, the Orion space capsule atop the rocket will carry the quartet on a trajectory around the moon and back on a mission that lasts about 10 days. —Josh Dinner, Space.com, 30 Jan. 2026

Years after leaving an abusive relationship, Shanda Roberts is on a mission to offer other domestic violence victims hope and transformation. —Adrienne Farr, Parents, 30 Jan. 2026

In her new role, Conway now leads a downsized staff of 16 mostly remote journalists from a small South Michigan Avenue office on a mission to make the Reader relevant again. —Robert Channick, Chicago Tribune, 30 Jan. 2026

Rhymes for on a mission

• abolition
• acquisition
• admonition
• ammunition
• apparition
• apposition
• coalition
• competition
• composition
• definition
• deglutition
• demolition