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

Antonym: impressionable

• sugarplum
• sugary
• suggest
• suggester
• suggestibility
• suggestible
• suggestion
• suggestive
• suggestively
• sugi
• Suharto
• sui generis
• suicidal
• suicide
• suicide bomber
• suicide bombing
• suicide mission
• suicide pact
• suicide pill
• suicide squeeze
• suicide squeeze play
• Suidae
• Suillus
• Suillus albivelatus
• suint