1. performed with insufficient emotion, energy, or dramatic expression
Usage: theater; film

Examples

• The lead actor’s underacted performance left the audience feeling disconnected from the character.
• Critics felt the dramatic scenes were underacted and lacked emotional impact.
• Her underacted portrayal of grief seemed unconvincing to viewers.
• The director asked him to be more expressive, saying his performance was underacted.
• Despite the intense script, the underacted delivery made the play feel flat.
• The underacted romantic scenes failed to create chemistry between the characters.