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

Antonym: impressionable

• leafage
• leafed
• leafhopper
• leafing
• leafless
• leaflet
• leaflike
• leafnose bat
• leafstalk
• leafy
• leafy liverwort
• leafy spurge
• leafy vegetable
• leafy-stemmed
• league
• League of Iroquois
• League of Nations
• league table
• league together
• leaguer
• leak
• leak fungus
• leak out
• leakage
• leaker