She forced a fake smile to hide her true feelings.
gesture
Frequency:
60
%
Her insincere gesture of gratitude did not go unnoticed.
compliment
Frequency:
50
%
His artificial compliment felt forced and unconvincing.
personality
Frequency:
45
%
His phony personality made it hard to trust him.
Idiomatic Expressions for ungenuine
Phrase: wearing a mask
Meaning: hiding one's true intentions or feelings behind a false appearance
Usage: He was wearing a mask of kindness, but his actions revealed his ungenerous nature.