1. Marked by excessive enthusiasm for and intense devotion to a cause or idea
   - fanatic, fanatical, rabid

See also: passionate

• seventeen
• seventeen-year locust
• seventeenth
• seventh
• Seventh Avenue
• seventh chord
• seventh cranial nerve
• Seventh Crusade
• seventh heaven
• Seventh-Day Adventism
• seventhly
• seventies
• seventieth
• seventy
• seventy-eight
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• sever