on a mission

idiom

Definition of on a mission

: undertaking a task that one considers to be a very important duty She's on a mission to locate her lost sister.

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Dictionary Entries Near on a mission

on a low note

on a mission

on a moment's/minute's notice

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Cite this Entry

“On a mission.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/on%20a%20mission. Accessed 7 Dec. 2021.

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