unmannerly, adj. impolite, discourteous, disrespectful, bad-mannered, misbehaved; uncivil, unceremonious, ungracious, inelegant, ungentle; ungentlemanly, unladylike, ungallant, uncourtly; indecorous, unseemly, indelicate; crude, coarse, rude, rough, vulgar, boorish, uncouth, unrefined; offensive, loutish, brutish, barbarous, churlish, incondite; brash, blunt, brusque, gruff, tactless, inconsiderate; impudent, insolent, fresh, impertinent, brazen, Inf. snippy, short; curt, bluff, bearish, harsh,

unmarried, adj. single, unwed, unwedded; celibate, virgin, maiden; spouseless, husbandless, wifeless, bachelor, old-maid, spinster; uncommitted, unpledged, unpromised, unplighted, unengaged, unbetrothed; unattached, unbound, free, available, footloose and fancy-free.

unmask, v. expose, unveil, uncloak, uncover, bare, take the wraps off; show up, show one's true colors, Inf. come out of the closet, Inf. come out; disclose, reveal, make known, bring out into the open, bring to light; discover, decry, detect, find, unearth, exhume, disinter, dig up, smoke out.

unmelodious, adj. untuneful, unmusical, tuneless; out of tune, out of step, out of key, off-key, off beat, off-pitch, Music Inf. sour, Music, flat, Music, sharp; inharmonious, unharmonious, inharmonic, dissonant, discordant, absonant, cacophonous, cacophonic; harsh, jarring, strident, stridulous, stridulant, raucous, grating, creaking, scratchy, raspy, rasping,

unmentionable, adj. 1. unspeakable, unutterable, ineffable, unfit or inappropriate for public conversation; dirty, foul, filthy, obscene, Inf. gutter, indecent, immodest, unladylike, ungentlemanly; disgraceful, dishonorable, disreputable, discreditable, unrespectful, shameful, scandalous, shocking, appalling.
2. unmentionables Facetious, undergarments, underwear, underclothes, underclothing, undies. See - underwear.

unmerciful, adj. 1. merciless, pitiless, unpitying, unforgiving, uncompassionate; cruel, heartless, hardhearted, cold-hearted, flinty, stony-hearted, coldblooded; unfeeling, insensitive, unsensitive, indifferent, uncaring, unconcerned, unsympathetic, callous, hardened; hard, harsh, tough, rough, severe, strict, stern; rigid, inflexible, unflexible, nonflexible, unbending, unyielding, not giving an inch; unappeasable, implacable, inexorable, relentless, unrelenting, remorseless, ruthless; inhuman, brutal, brutish, vicious, savage, barbarous.
2. excessive, SI. too much, immoderate, inordinate, extreme; unreasonable, exorbitant, incredible, unbelievable, outrageous, SI. unreal,

unmindful, adj. unaware, unconscious, oblivious, blind, indifferent; forgetful, absent-minded, scatterbrained, distracted; careless, neglectful, negligent, derelict, remiss, slack, lax; off one's guard, sleeping, asleep on the job, napping, daydreaming, looking out the window, staring into space, lost in thought, SI. out to lunch; unwary, unchary, unwatchful, nonobservant, unobservant, unvigilant, unguarded; incautious, uncautious, heedless, unheeding, inattentive, inadvertent, mindless, unthinking; uncircumspect, indiscreet, imprudent, injudicious, unwise, ill-considered, ill-advised; foolish, foolhardy, irresponsible, reckless, rash, temerarious, harebrained, hasty, impetuous, impulsive, brash; thoughtless, inconsiderate, tactless, untactful.