frequently_asked_questions_files/Oxford Thesaurus.pdf

stony-hearted, hard-hearted: Despite her child's tears, she
remained totally unmoved.
unnatural adj. 1 Derogatory abnormal, perverse, perverted, monstrous,
unusual, peculiar, strange, aberrant, improper, unseemly; Slang
kinky , Chiefly Brit bent: There was a scandal when the senator
was found to have engaged in some unnatural act. 2
sodomitic(al), bestial, tribadic, tribadistic: They still coyly
referred to homosexual activities as 'unnatural acts'. 3
uncharacteristic, out of character, odd, peculiar, strange,
unexpected, abnormal, unusual: Isn't it unnatural for someone
who has won the sweepstakes to look so unhappy? 4 laboured,
forced, stilted, stiff, restrained, artificial, false,
insincere, feigned, contrived, affected, mannered,
self-conscious, theatrical, stagy: She has an irritating,
unnatural laugh. 5 outlandish, weird, uncanny, strange, odd,
unaccountable, supernatural, preternatural, queer, grotesque,
bizarre, extraordinary, eccentric, freakish: Let me tell you
about the unnatural events that took place in that house.
unnecessary
adj. unneeded, needless, unrequired, dispensable, disposable,
expendable, unwanted, surplus, superfluous, supererogatory,
inessential, unessential, non-essential: The children were
asleep, so we asked the workmen to avoid making any unnecessary
noise.
unnerve v. upset, agitate, perturb, ruffle, fluster, rattle, discomfit,
unsettle, disconcert, dismay, intimidate, stun, stupefy, Colloq
shake (up), faze: Peter drove home slowly: the accident he had
seen had unnerved him.
unnoticed adj. unnoted, overlooked, unobserved, undiscovered, unremarked,
unmarked, unperceived; unseen, unheard: Fortunately, Martha's
nasty aside went unnoticed.
unobtrusive
adj. inconspicuous, unostentatious, low-key, retiring, modest,
self-effacing, unpresuming, unpretentious, unassuming, quiet,
humble, unaggressive, unassertive, non-assertive, subdued,
reserved, reticent, suppressed: Agatha may seem unobtrusive,
but she's a tigress when aroused.