Resembling, characteristic of, or relating to brigands; lawless, plundering, or bandit-like.
From brigand (from Old Italian brigante) + -ish (adjective suffix meaning 'having qualities of'). This creates an adjective for brigand-like behavior.
The word 'brigandish' perfectly captures how 18th-century writers portrayed aggressive military expansion—nations literally engaged in brigandish behavior but called it 'empire building.'
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