1. Characterized by disorderly action and disregard for rules
   - rough-and-tumble, bare-knuckle

See also: disorderly

• black fritillary
• black gold
• black grama
• black greasewood
• black grouse
• black guillemot
• black gum
• Black Hand
• black haw
• Black Hawk
• black hellebore
• black hemlock
• black henbane
• black hickory
• Black Hills
• black hole
• Black Hole of Calcutta
• black Hollander
• black horehound
• black huckleberry
• black humor
• black humour
• black ice
• Black Jack Pershing
• black kite