Troubled means full of worry, or beset by problems. A troubled expression, a troubled company, troubled waters.
Applied to a person it is gentle and slightly evasive — a troubled child usually means one whose behaviour has a cause nobody has named. Applied to a business it means failing. Troubled waters is a set phrase for a difficult stretch.
1adjectivetroubledFull of worry, or beset by problems.
“She looked troubled when she read the letter, but she wouldn't tell us why.”
troubled is a state.