inside out

/ˌɪnˈsaɪd ˈaʊt/
adverb
  1. With the inner surface turned outward.
    • The wind turned her umbrella inside-out during the storm.
    • She turned the bag inside-out to find her keys.
    • He accidentally put his shirt on inside-out and didn't notice until lunch.
  2. In a very thorough or complete way; knowing every detail.
    • He knows the city inside-out and can give you directions anywhere.
    • After studying for weeks, she knew the material inside-out.
    • The mechanic knows this engine inside-out after working on it for years.
adjective
  1. Having the inner surface turned outward.
    • The inside-out sock was uncomfortable against his foot.
    • She wore an inside-out sweater to the party as a fashion statement.
    • He folded the inside-out jacket carefully to hide the stain.
What does "inside out" mean? | whatsthatwordmean | whatsthatwordmean