gauche

comparative more gauche · comparative gaucher · superlative most gauche · superlative gauchest

1. Awkward or lacking in social graces; bumbling; apt to make gaffes.

   Seeking by vulgar pomp and gauche display In 'good society', to make her way

   1836, Samuel Griswold Goodrich, The Outcast and Other Poems, The Spirit Court of Practice and Pretence, page 102

   3 more examples

   She looked a trifle gauche, it struck me; more like a country girl with the hoyden taming in her than the well-bred creature she is.

   1879, George Meredith, “chapter XLVI”, in The Egoist

   "He's a trifle gauche" said Lady Hammergallow, jumping upon the Vicar's attention. "He neither bows nor smiles. He must cultivate oddities like that. Every successful executant is more or less gauche."

   1895, H[erbert] G[eorge] Wells, “Chapter 18”, in The Wonderful Visit (Macmillan’s Colonial Library), London; New York, N.Y.: Macmillan and Co., →OCLC

   What was once a multi-million-dollar fantasy of womanhood – exclusively svelte, athletic models in lace-trimmed thongs or diamante push-up bras, each framed by a pair of 12-foot-high angel wings – quickly became a parody so gauche it’s hard to imagine it was ever taken seriously.

   2022 July 25, Leah Dolan, “New documentary unearths troubling links between Victoria’s Secret and Jeffrey Epstein”, in CNN, archived from the original on 30 Aug 2022

   Synonyms: graceless, tactless, unsophisticated, unpolished, gawky

2. archaicmathematicsSkewed, not plane.
3. not comparablechemistryHaving a torsion angle of 60°.