1 n-uncount Tribalism is the state of existing as a tribe.
Apartheid used tribalism as the basis of its `divide-and-rule' homeland policies.
2 n-uncount You can use tribalism to refer to the loyalties that people feel towards particular social groups and to the way these loyalties affect their behaviour and their attitudes towards others., (disapproval)
His argument was that multi-party systems encourage tribalism.
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