plural coalitions
1
: a group of people, groups, or countries who have joined together for a common purpose
The groups united to form a coalition.
A multiparty coalition ruled the country.
a coalition of businesses
—often used before another nouncoalition forces
a coalition government/party
2
: the action or process of joining together with another or others for a common purpose
The group is working in coalition with other environmental groups.
Cite this Entry
“Coalition.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/coalition. Accessed 29 Oct. 2026.
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