1. Causing hurt
   "her hurtful unconsidered words" 
2. Harmful to living things
   - deleterious, injurious

See also: harmful, unkind

• unconfused
• uncongenial
• uncongeniality
• genus Lavandula
• genus Lavatera
• genus Layia
• genus Lebistes
• genus Lecanopteris
• genus Lecanora
• genus Leccinum
• genus Ledum
• genus Leiopelma
• genus Leiophyllum
• genus Leipoa
• genus Leishmania
• genus Leitneria
• genus Lemaireocereus
• genus lemmus
• genus Lemna
• genus Lemur
• genus Lens
• genus Lentinus
• genus Leonotis
• genus Leontideus
• genus Leontocebus