Formal
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meek, tasteless, indefinite, gentle, friendly, foreign, uncultured, uncultivated, unsuitable, inept, unkempt, ordinary, unlogical, indecorous, frowsy, substandard, discourteous, grungy, warm, unaffected, uncouth, ill-bred, inappropriate, unauthorized, unstylish, low-bred, incorrect, inaccurate, exotic, sympathetic, strange, Unapt, infelicitous, low, crass, indecent, coarse, sporty, crude, uneducated, Ineloquent, unbecoming, ill-mannered, representational, unfit, inelegant, unlearned, graceless, rumpled, rough, true, undignified, unfashionable, responsive, uncommon, sloven, relaxed, slovenly, lowbred, dowdy, illogical, street, uncivil, improper, messy, unconventional, actual, informal, mild, provincial, uncustomary, customary, untidy, abnormal, gross, unhappy, wrinkled, irregular, mussy, freewheeling, unusual, styleless, ambiguous, ungrammatical, unrefined, normal, disheveled, unseemly, outmoded, dishonorable, sloppy, rude, unmannerly, lowbrow, unkind, disorderly, unpolished, impolite, bland, calm, real.