invertとは何ですか? invertとは何ですか? To turn inside out or upside down: invert an hourglass. To reverse the position, order, or condition of: invert the subject and predicate of a sentence. To subject to inversion. See Synonyms at reverse.To be subjected to inversion.Something inverted.Psychology One who takes on the gender role of the opposite sex.Psychology In the theory of Sigmund Freud, a homosexual person. No longer in scientific use.