Mission vs Quest

When to use each in English, with meaning, register, and examples.

Mission

Top 1,000 (very common)B2noun

Quest

Beyond 10,000 (less common)C1noun
Most common: Mission
 MissionQuest
Pronunciation🇬🇧 /["/ˈmɪʃn/"]/🇺🇸 /["/ˈmɪʃn/"]/🇬🇧 /["/kwest/"]/🇺🇸 /["/kwest/"]/
MeaningA specific task or purpose that someone is trying to achieve.A journey or search to find something important.
ExampleThe team's mission was to develop a new strategy for the upcoming project.the quest for happiness/knowledge/truth
RegisterNeutralNeutral
How commonTop 1,000 (very common)Beyond 10,000 (less common)
CEFR levelB2C1
Part of speechnounnoun
Collocationsjoint, covert, secret, carry out, conduct, execute, end in failure, fail, be a success, objective, accomplishment, on a/​the mission, mission impossible, diplomatic, military, trade, establish, set up, send, mission to, Christian, educational, establish, found, run, work, hospital, school, Christian, educational, establish, found, run, work, hospital, school, main, primary, stated, have, pursue, fulfil/​fulfill, statement, a man with a mission, a woman with a mission, a sense of mission, joint, covert, secret, carry out, conduct, execute, end in failure, fail, be a success, objective, accomplishment, on a/​the mission, mission impossible, shuttle, space, spacecraft, go on, make, abort, control, on a/​the mission, mission toendless, eternal, never-ending, begin, embark on, go on, in a/​the quest, in quest of, quest for
Antonymsinactivity, idleness, lethargysettlement, stay
Common mistakesConfused with 'emission', which refers to the release of something, especially gas., Using 'mission' when a different term like 'objective' would be more appropriate., Not distinguishing between 'mission' and 'task'; a mission can involve multiple tasks.Confusing 'quest' with 'inquiry' – quest is more about adventure or searching., Using 'quest' as a verb incorrectly – it is only a noun.
Usage notesUsed in both formal and informal contexts. In formal settings, it often refers to organizational goals, while in informal settings, it can refer to personal goals or tasks.Used in both formal and informal contexts. Commonly found in literature, games, and discussions about goals. Might be less appropriate in casual conversations about everyday tasks.

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Mission
Quest

Frequently asked questions: Mission vs Quest

What's the difference between Mission and Quest?

Mission: A specific task or purpose that someone is trying to achieve. Quest: A journey or search to find something important.

Which is more common: Mission and Quest?

Mission is the most common in everyday English.

Which is more advanced: Mission and Quest?

Quest is the highest level, at C1, on the CEFR scale.

Are Mission and Quest the same CEFR level?

Mission: B2, Quest: C1 on the CEFR scale.

What part of speech are Mission and Quest?

Mission: noun, Quest: noun.

Can you show an example of each?

Mission: The team's mission was to develop a new strategy for the upcoming project. Quest: the quest for happiness/knowledge/truth

Can I use Mission and Quest interchangeably?

Not always. Mission and Quest are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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