A feeling of distrust or suspicion toward someone or something; a lack of trust arising from doubt or unease.
彼の発言には不信感を覚えた。
I felt distrust toward his remarks.
度重なるミスで、社員の間に会社への不信感が広がった。
Due to repeated mistakes, distrust toward the company spread among the employees.
まずは小さな約束を守って信頼を取り戻さないと、不信感は消えない。
You need to keep small promises first to regain trust; otherwise distrust won't go away.