liberal
US /ˈlɪb.ər.əl/
UK /ˈlɪb.ər.əl/

1.
open to new behavior or opinions and willing to discard traditional values
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She has very liberal views on education.
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The country adopted more liberal policies.
2.
relating to or denoting a political and social philosophy that advocates for individual rights, civil liberties, democracy, and free enterprise
:
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The Liberal Party won the election.
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He is a strong advocate of liberal democracy.
1.
a person who is open to new behavior or opinions and willing to discard traditional values
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He considers himself a true liberal.
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The debate was between a conservative and a liberal.