The phrase "feeling uneasy" describes a state of being uncomfortable, anxious, or nervous. There are several synonyms that can be used to convey this feeling, such as "unease," "discomfort," "apprehension," "trepidation," "disquiet," "perturbation," and "dread." Each of these words captures a different aspect of the feeling of unease. "Unease" is a general term that describes a sense of discomfort or restlessness. "Discomfort" suggests a physical or emotional discomfort. "Apprehension" is a more specific type of unease that refers to a feeling of dread or fear about something that may happen. "Trepidation" and "dread" emphasize the seriousness of the situation that is causing the unease.