1.  gaucherie(n = noun.attribute) rusticity - the quality of being rustic or gauche;
is a kind of awkwardness, clumsiness, gracelessness, stiffness

2.  gaucherie(n = noun.act) faux pas, gaffe, slip, solecism - a socially awkward or tactless act;
is a kind of bloomer, blooper, blunder, boner, boo-boo, botch, bungle, flub, foul-up, fuckup, pratfall

   An awkward action; clumsiness; boorishness. [1913 Webster]

gaucherie, n.
1 gauche manners.
2 a gauche action.

Etymology:
F

N  vulgarity, vulgarism, barbarism, Vandalism, Gothicism, mauvis gout, bad taste, gaucherie, awkwardness, want of tact, ill-breeding, courseness, indecorum, misbehavior, lowness, homeliness, low life, mauvais ton, rusticity, boorishness, brutality, rowdyism, blackguardism, ribaldry, slang, bad joke, mauvais plaisanterie, gaudiness, tawdriness, false ornament, finery, frippery, trickery, tinsel, gewgaw, clinquant, baroque, rococo, rough diamond, tomboy, hoyden, cub, unlicked cub, clown, Goth, Vandal, Boeotian, snob, cad, gent, parvenu, frump, dowdy, slattern, in bad taste vulgar, unrefined, coarse, indecorous, ribald, gross, unseemly, unbeseeming, unpresentable, contra bonos mores, ungraceful, dowdy, slovenly, ungenteel, shabby genteel, low, common, hoi polloi, uncourtly, uncivil, ill bred, ill mannered, underbred, ungentlemanly, ungentlemanlike, unladylike, unfeminine, wild, wild as an unbacked colt, untutored, unschooled (ignorant), unkempt, uncombed, untamed, unlicked, unpolished, uncouth, plebeian, incondite, heavy, rude, awkward, homely, homespun, home bred, provincial, countrified, rustic, boorish, clownish, savage, brutish, blackguard, rowdy, snobbish, barbarous, barbaric, Gothic, unclassical, doggerel, heathenish, tramontane, outlandish, uncultivated, Bohemian, obsolete, unfashionable, newfangled, odd, particular, affected, meretricious, extravagant, monstrous, horrid, shocking, gaudy, tawdry, overornamented, baroque, rococo, bedizened, tricked out, gingerbread, obtrusive.