1. Not involved
   "being uninvolved he remained objective" 
2. Showing lack of emotional involvement
   "an uninvolved bystander"
   - dégagé, detached

See also: unconcerned

Antonym: involved

• underivative
• underived
• underlay
• underlayment
• underlet
• underlie
• underline
• underling
• underlip
• underlying
• undermanned
• undermentioned
• undermine
• undermost
• underneath
• undernourish
• undernourished
• undernourishment
• underpants
• underpart
• underpass
• underpay
• underpayment
• underperform
• underperformer