1. Having a relatively tough outer covering 
2. Insensitive to criticism
   - thick-skinned

See also: insensitive, tough

• morphology
• morphophoneme
• morphophonemic
• morphophonemic system
• morphophonemics
• morphophysiology
• morphosis
• Morrigan
• Morrigu
• Morris
• Morris chair
• morris dance
• morris dancer
• morris dancing
• Morrison
• Morrison R. Waite
• Morrison Remick Waite
• Morrison Waite
• Morristown
• morrow
• Morrow's honeysuckle
• Mors
• Morse
• Morse code
• morsel