stockish
/ˈstɒkɪʃ/Definitions
1. adjective
resembling or characteristic of a stock or a stock character; lacking individuality or subtlety
“The actor’s portrayal of the villain was too stockish and failed to engage the audience.”
2. adverb
in a way that is typical or stereotypical
“She performed her dance moves a bit too stockish, sticking to the script rather than improvising.”