1. An act (or failure to act) that disappoints someone
   - disappointment

Type of: failure

• conceptualistic
• conceptuality
• conceptualization
• conceptualize
• conceptually
• conceptus
• concern
• concerned
• concernedly
• concerning
• concert
• concert band
• concert dance
• concert grand
• concert hall
• concert piano
• concert pitch
• concert-goer
• concertante
• concerted
• concerted music
• concertina
• concertino
• concertise
• concertize