Collaborate vs Cooperate vs Partner

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

Collaborate

Top 2,000 (common)C1verb

Cooperate

Top 2,000 (common)C1verb

Partner

Top 1,000 (very common)A1noun
Most common: Partner
 CollaborateCooperatePartner
Pronunciation🇬🇧 /["/kəˈlæbəreɪt/","/kəˈlæbəreɪts/","/kəˈlæbəreɪtɪd/","/kəˈlæbəreɪtɪŋ/"]/🇺🇸 /["/kəˈlæbəreɪt/","/kəˈlæbəreɪts/","/kəˈlæbəreɪtɪd/","/kəˈlæbəreɪtɪŋ/"]/🇬🇧 /["/kəʊˈɒpəreɪt/","/kəʊˈɒpəreɪts/","/kəʊˈɒpəreɪtɪd/","/kəʊˈɒpəreɪtɪŋ/"]/🇺🇸 /["/kəʊˈɑːpəreɪt/","/kəʊˈɑːpəreɪts/","/kəʊˈɑːpəreɪtɪd/","/kəʊˈɑːpəreɪtɪŋ/"]/🇬🇧 /["/ˈpɑːtnə(r)/"]/🇺🇸 /["/ˈpɑːrtnər/"]/
MeaningTo work together with others on a project or task.To work together with someone for a common purpose.A person you work or share something with.
ExampleResearchers around the world are collaborating to develop a new vaccine.The two groups agreed to cooperate with each other.She is my dance partner for the recital.
RegisterNeutralNeutralNeutral
How commonTop 2,000 (common)Top 2,000 (common)Top 1,000 (very common)
CEFR levelC1C1A1
Part of speechverbverbnoun
Collocationsactively, closely, on, withfully, closely, will, would, agree to, in, on, with, fully, closely, will, would, agree to, in, on, withbridge, doubles, tennis, choose, find, change, former, one-time, dominant, have, seek, find, full, equal, active, make somebody, find, seek, company, institution, organization, partner in, biggest, main, principal, partner in
Antonymscompete, oppose, disagreeoppose, disagree, competeenemy, opponent, rival
Common mistakesUsing 'collaborate' without specifying who you're working with., Confusing 'collaborate' with 'cooperate' which have slightly different meanings., Saying 'collaborate with to' instead of just 'collaborate with'.'Cooperate' is often confused with 'collaborate', which has a slightly different nuance., Learners sometimes forget to use 'with' when mentioning the other party., Using 'cooperate' as a standalone verb without a context can be incorrect.Confusing 'partner' with 'spouse' when only referring to a romantic context., Using 'partner' in singular form without specifying an activity or relationship., Overusing 'partner' when the context calls for specific roles like 'employee' or 'colleague'.
Usage notesUse 'collaborate' in both professional and casual contexts when discussing teamwork. It is appropriate in formal documents but may sound overly formal in casual conversations.Use 'cooperate' in contexts involving teamwork and collaboration. It's appropriate in both professional and casual settings, but avoid in overly informal conversations. Best used when discussing joint efforts in projects or activities.Use 'partner' in both personal and professional contexts. It is appropriate to describe a romantic relationship as well as business collaborations. Avoid using it in very formal situations where 'associate' might be better.

See it in real clips

Cooperate
Partner

Frequently asked questions: Collaborate vs Cooperate vs Partner

What's the difference between Collaborate, Cooperate, and Partner?

Collaborate: To work together with others on a project or task. Cooperate: To work together with someone for a common purpose. Partner: A person you work or share something with.

Which is more common: Collaborate, Cooperate, and Partner?

Partner is the most common in everyday English.

Are Collaborate, Cooperate, and Partner the same CEFR level?

Collaborate: C1, Cooperate: C1, Partner: A1 on the CEFR scale.

What part of speech are Collaborate, Cooperate, and Partner?

Collaborate: verb, Cooperate: verb, Partner: noun.

Can you show an example of each?

Collaborate: Researchers around the world are collaborating to develop a new vaccine. Cooperate: The two groups agreed to cooperate with each other. Partner: She is my dance partner for the recital.

Can I use Collaborate, Cooperate, and Partner interchangeably?

Not always. Collaborate, Cooperate, and Partner 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.