Added 9 October 2026 misconception /ˌmɪs.kənˈsɛp.ʃən/ noun Categories: Mind & IdeasRare Words noun ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about misconception at Wordnik → Where our words come from → A mistaken belief, a wrong idea. There are several common misconceptions about the theory of relativity. Related Words: misperceptionmisinterpretationmiscalculationmisjudgementmistakemisunderstandingmisapprehensionerrormiscommunicationfalsedisregardfailed Back to today's word