Over-anxious refers to feeling or expressing excessive worry or concern about something. In place of this term, you may use apprehensive, fretful, nervy, tense, worried, or concerned. Apprehensive indicates unease or fear about an uncertain event or outcome. Fretful suggests agitation or irritation caused by stressful circumstances. Nervy implies a state of nervousness or edginess due to anxiety. Tense indicates a heightened state of worry or nervousness that can result in physical manifestation, such as muscle tension or increased heart rate. Worried conveys a sense of concern or anxiety, while concerned suggests attentiveness to potential problems or risks. Choosing the best synonym depends on the context and intended meaning of a sentence.