Entry 2 senses Webster, 1913 Misunderstanding · Mis·un·der·stand·ing · IPA /ˌmɪsʌndɚˈstændɪŋ/ 01 n. Mistake of the meaning; error; misconception. 1. Mistake of the meaning; error; misconception. 2. Disagreement; difference of opinion; dissension; quarrel.