An example of gauche is a guest at a fancy dinner party who arrives wearing jeans and flip flops.
Origin of gaucheFr, figurative, figuratively meaning (lit., on the left) ; from Middle French gauchir, to become crooked, warped, ultimately ; from Frankish an unverified form wankjan, to totter (akin to German wanken), confused with an unverified form walken, to beat, full (cloth)
Origin of gaucheFrench, awkward, lefthanded, from Old French, from gauchir, to turn aside, walk clumsily, of Germanic origin.
(comparative more gauche, superlative most gauche)
Borrowing from French gauche (“left, awkward”), from gauchir (“to veer, turn”), from Old French gaucher (“to trample, walk clumsily”), from Frankish welkan (“to full, trample”), from Proto-Germanic *welk- (“to full, roll up”). Akin to Old High German walchan (“to knead”), Old English wealcian (“to roll up, curl”), Old Norse valka (“to drag about”). More at walk.