The word "overwinder" is spelled with four syllables, /ˈoʊ.vər.ˌwɪn.dər/. The first syllable is pronounced like "oh" and stressed, while the second syllable is pronounced like "vuh". The third syllable is pronounced like "win" and the fourth like "duh". The word refers to something or someone that overwinds, usually a mechanical device or a person who overdoes something to the point of exhaustion. Keeping the pronunciation in mind can help in correctly spelling this word.