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

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Fans of high-octane thrills can kick off the year with Colombiana, starring Zoe Saldaña as a fierce assassin on a mission of vengeance, or the Rush Hour trilogy, where Chris Tucker and Jackie Chan bring laughter and action to the buddy-cop genre. —

Okla Jones, Essence, 30 Dec. 2024 The historic milestone is one NASA has been building toward ever since the Parker Solar Probe embarked in 2018 on a mission to study the sun's outer atmosphere. —

Eric Lagatta, USA TODAY, 27 Dec. 2024 Over 30 years after Jane was taken from her home in front of her children and never seen again, her daughter Helen (Laura Donnelly) is on a mission to get answers, or at the very least, her mother’s body. —

Maggie Fremont, Vulture, 27 Dec. 2024 What is Squid Game Season 2 about? Squid Game winner Gi-hun is on a mission to dismantle the sinister operation led by the mysterious Front Man. —

Tiffany Acosta, The Arizona Republic, 26 Dec. 2024 See all Example Sentences for on a mission