1. A weedy perennial with tough wiry stems and purple flowers; native to Europe but widely naturalized
   - lesser knapweed, black knapweed, Centaurea nigra

1. [Brit] Knapweed 
2. A California salmon; the steelhead 
3. One who is hardheaded

Type of: knapweed

Encyclopedia: Hardhead

• inhibited
• inhibition
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• inhomogeneity
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• inhospitable
• inhospitableness
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• inhuman
• inhuman treatment
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• Inigo Jones
• inimical
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• inimitability
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