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
When Scheetz was killed on a mission, Michael wrote his first song in Scheetz’s honor.
—
Rachel Desantis, People.com, 14 Feb. 2025
Assuming the dates hold up, Wilmore and Williams will have logged nearly 290 days in orbit since launch June 5 on a mission originally expected to last a little more than one week.
—William Harwood, CBS News, 11 Feb. 2025
True Food Kitchen is on a mission to Make America Healthy Again.
—Peter Burke, Fox News, 7 Feb. 2025
With enhanced strength and the ability to fly (think Superman), Omni-Man supposedly arrived on Earth on a mission to protect it.
—Matt Brennan, Los Angeles Times, 7 Feb. 2025
See all Example Sentences for on a mission 
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Rachel Desantis, People.com, 14 Feb. 2025
Assuming the dates hold up, Wilmore and Williams will have logged nearly 290 days in orbit since launch June 5 on a mission originally expected to last a little more than one week.
—William Harwood, CBS News, 11 Feb. 2025
True Food Kitchen is on a mission to Make America Healthy Again.
—Peter Burke, Fox News, 7 Feb. 2025
With enhanced strength and the ability to fly (think Superman), Omni-Man supposedly arrived on Earth on a mission to protect it.
—Matt Brennan, Los Angeles Times, 7 Feb. 2025
See all Example Sentences for on a mission
Dictionary Entries Near on a mission
Cite this Entry
“On a mission.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/on%20a%20mission. Accessed 21 Feb. 2025.
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