One-word substitution (vocabulary): An expression of mild disapproval Choose the single best word that exactly matches the definition.

Given data

• Definition: a gentle or mild criticism/disapproval.

Reasoning through optionsReproof — an expression of blame or disapproval, often mild. Correct.Warning — cautionary advice; not necessarily disapproval.Denigration — unfairly criticizing; stronger and more hostile.Impertinence — rudeness; not an expression of disapproval.

Final AnswerReproof