IPA: /ʌnˈlɔːndəd/
KK: /ʌnˈlɔndərd/
Describing something, usually fabric or clothing, that has not been washed or cleaned.
He wore an unlaundered shirt to the meeting, which made a poor impression.
Unlaundered → It is formed from "un-" (meaning not) and "launder" (from Old French *laver*, meaning to wash). The word "unlaundered" means not washed or cleaned, particularly referring to clothing or fabric that has not been laundered.
Think of 'not' ('un-') having been 'washed' ('launder') — that's why unlaundered means something that hasn't been cleaned.