1. Not sensitive or susceptible to impression
   "an unimpressionable mind"

Antonym: impressionable

• palm reading
• palm sugar
• Palm Sunday
• palm tree
• palm-shaped
• palma christ
• palma christi
• Palmaceae
• Palmae
• Palmales
• palmar
• palmary
• palmate
• palmate leaf
• palmated
• palmately
• palmately-lobed
• palmatifid
• palmature
• Palmer
• Palmer Peninsula
• palmette
• palmetto
• Palmetto State
• palmist