voice-act verb2 •To act as a voice actor; to provide one’s voice.She has also voice-acted in several children’s movies and cartoons, including Kung Fu Sock, The Fruitties Are Back and The Angry Birds Movie 2. — 2024 •To provide one’s voice for (something).I’m Morgan Freeman and I voice-acted this message. — 2016 formsvoice acted · voice-acted · voice-acting · voice acts · voice-acts