1. Eminent beyond or above comparison
   "unrivalled mastery of her art"
   - matchless, nonpareil, one, one and only, peerless, unmatched, unmatchable, unrivaled [US]

See also: incomparable, uncomparable

• genus Leucogenes
• genus Leucothoe
• genus Levisticum
• genus Lewisia
• genus Leycesteria
• genus Leymus
• genus Liatris
• genus Libocedrus
• genus Lichanura
• genus Ligularia
• genus Ligustrum
• genus Lilium
• genus Limanda
• genus Limax
• genus Limenitis
• genus Limnobium
• genus Limnocryptes
• genus Limnodromus
• genus Limonium
• genus Limosa
• genus Limulus
• genus Linanthus
• genus Linaria
• genus Lindera
• genus Lindheimera