Coalition vs Union

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

Coalition

FormalTop 2,000 (common)C1noun

Union

Top 2,000 (common)B1noun
Most formal: Coalition
 CoalitionUnion
Pronunciation🇬🇧 /["/ˌkəʊəˈlɪʃn/"]/🇺🇸 /["/ˌkəʊəˈlɪʃn/"]/🇬🇧 /["/ˈjuːniən/"]/🇺🇸 /["/ˈjuːniən/"]/
MeaningA group of different people or organizations that work together for a common goal.A group of people or organizations joined together for a common purpose.
ExampleThe coalition between the two major parties brought significant changes to the legislation.The labor union negotiated better wages for its members.
RegisterFormalNeutral
How commonTop 2,000 (common)Top 2,000 (common)
CEFR levelC1B1
Part of speechnounnoun
Collocationsstrong, loose, broad, assemble, build, create, break up, collapse, fall, government, member, partner, in (a/​the) coalition, coalition between, coalition of, strong, loose, broad, assemble, build, create, break up, collapse, fall, government, member, partner, in (a/​the) coalition, coalition between, coalition oflabor, trade, trades, form, organize, set up, be affiliated to something, represent somebody/​something, negotiate (something), confederation, federation, movement, close, loose, full, create, form, dissolve, union between, union with, civil, legal, holy, allow, recognize
Antonymsdisunity, division, separationdisunion, division, separation
Common mistakesConfused with 'collaboration' which implies a more informal partnership., Using it in singular forms when referring to multiple groups (e.g., saying 'coalitions' instead of 'coalition').Confusing with 'unit', which means one part of something., Using 'unions' incorrectly in singular contexts., Mispronouncing the word, especially the 'u' sound.
Usage notesUsed in political contexts or when discussing alliances. It may not be appropriate in casual conversations.Used in contexts like labor unions or political unions. It's appropriate in formal discussions or writing. Avoid using it in casual conversation unless referring to a specific organization.

Frequently asked questions: Coalition vs Union

What's the difference between Coalition and Union?

Coalition: A group of different people or organizations that work together for a common goal. Union: A group of people or organizations joined together for a common purpose.

Which is more formal: Coalition and Union?

Coalition is the most formal of these.

Which is more advanced: Coalition and Union?

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

Are Coalition and Union the same CEFR level?

Coalition: C1, Union: B1 on the CEFR scale.

What part of speech are Coalition and Union?

Coalition: noun, Union: noun.

Can you show an example of each?

Coalition: The coalition between the two major parties brought significant changes to the legislation. Union: The labor union negotiated better wages for its members.

Can I use Coalition and Union interchangeably?

Not always. Coalition and Union 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.

Related comparisons