There are several synonyms for the phrase "act very timid". Some of these include being shy, hesitant, fearful, nervous, or timid. When someone is acting shy, they may display reticence or discomfort in social situations. While hesitancy might suggest a degree of indecision, fearfulness often implies being afraid of something specific. Nervousness can manifest as physical symptoms such as shaking or sweating, while timidity suggests a general lack of confidence or boldness. All of these terms are useful in different contexts, depending on the specific behavior being described. By utilizing synonyms, we can more accurately capture the nuances of someone's behavior and convey precise meaning.