1. Southern European annual with spiky heads of crimson flower; extensively cultivated in United States for forage
   - crimson clover, Trifolium incarnatum

Type of: clover, trefoil

• unsized
• unskilful
• unskilfulness
• unskilled
• unskilled person
• unskillful
• unskillfulness
• unslaked lime
• unsleeping
• unsling
• unsloped
• unsmiling
• unsmilingly
• unsmooth
• unsmoothed
• unsnarl
• unsnarled
• unsnarling
• unsociability
• unsociable
• unsociableness
• unsociably
• unsocial
• unsoiled
• unsold