1. Valuable forage grass of western United States
   - western wheatgrass, bluestem wheatgrass

Type of: wheatgrass, wheat-grass

• impoverishment
• impracticability
• impracticable
• impracticableness
• impracticably
• impractical
• impracticality
• impramine hydrochloride
• imprecate
• imprecation
• imprecatory
• imprecise
• imprecisely
• impreciseness
• imprecision
• impregnability
• impregnable
• impregnably
• impregnant
• impregnate
• impregnation
• impresa
• impresario
• impress
• impressed