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

See also: inconsiderate, unloving

• NSA
• NSAID
• NSC
• NSF
• NSPCC
• NSU
• NSW
• NSWC
• NT
• nth
• NTIS
• nu
• nuance
• nuanced
• nub
• nubbin
• nubbiness
• nubble
• nubbly
• nubby
• Nubia
• Nubian
• Nubian Desert
• nubile
• nubility