Crossword clues for underact
The Collaborative International Dictionary
Underact
Underact \Un`der*act"\, v. t. To perform inefficiently, as a play; to act feebly.
Wiktionary
underact
vb. To act in an understated manner or with little expressiveness
WordNet
Usage examples of "underact".
Despite underwritten supporting roles and an underacted lead performance (as well as, at times, too ponderous a pace), I must say that I was very impressed with Unbreakable.