uneasy feeling; sense of anxiety; malaise
A general feeling of anxiety or unease, often without a specific cause. Used in both everyday and clinical contexts.
I'm always overcome by a sense of anxiety before exams.
I've been having an unexplained uneasy feeling.
不安感 is the feeling of anxiety or unease, the direct opposite of the reassuring feeling described by 安心感.
Compound of 不安 (fuan, 'anxiety') + 感 (kan, 'feeling, sensation').