Undersense is a word that describes a feeling of unease or discomfort without being able to pinpoint exactly why. Synonyms for undersense include intuition, gut feeling, hunch, inkling, and premonition. These words all describe a sense of knowing or feeling that something isn't quite right, but without any concrete evidence or explanation to support it. Other synonyms for undersense include foreboding, anticipation, apprehension, and suspicion. These words also suggest a sense of unease or mistrust, but with a more specific focus on the expectation of something negative or dangerous happening. Regardless of the specific word used, undersense describes a feeling that should not be ignored and should prompt further investigation or evaluation.