1. Lacking affection or warm feeling
   "an uncaring person"
   - detached, unaffectionate 
2. Without care or thought for others
   - thoughtless, unthinking

See also: inconsiderate, unloving

• tusser
• Tussilago
• Tussilago alpina
• Tussilago farfara
• tussive
• tussle
• tussock
• tussock bellflower
• tussock caterpillar
• tussock moth
• tussocky
• tussore
• tussur
• tut
• tut-tut
• Tutankhamen
• tutee
• tutelage
• tutelar
• tutelary
• Tutelo
• tutor
• tutorage
• tutorial
• tutorially