frequently_asked_questions_files/Oxford Thesaurus.pdf

unsophisticated
adj. 1 na‹ve, inexperienced, simple, childlike, unworldly,
innocent, ingenuous, artless, guileless: Is the unsophisticated
consumer sufficiently protected against unscrupulous traders? 2
simple, plain, uncomplicated, undetailed, uninvolved, unrefined:
The computers of twenty years ago were unsophisticated compared
with those of today.
unsound adj. 1 weak, feeble, frail, rickety, shaky, ramshackle, infirm,
unstable, wobbly, tottering, unsteady, broken-down, crumbling,
disintegrating, dilapidated, defective, imperfect, faulty,
decayed, rotten: The building inspector condemned the structure
as unsound and unsafe. 2 unhealthy, diseased, ill, afflicted, in
poor health, ailing, sickly, sick, unwell, delicate, injured,
wounded: The attack of flu left him unsound in wind and limb.
3 insane, mad, psychotic, unbalanced, unstable, demented,
deranged: The doctors said that she was still of unsound mind
and ought not be released. 4 illogical, faulty, flawed,
fallacious, untenable, invalid, groundless, unfounded,
erroneous, defective, specious: We thought that his arguments
were unsound, so we rejected his recommendations.
unspoiled adj. unspoilt, unsullied, pristine, virgin, whole, untainted,
unstained, immaculate, uncorrupted, unpolluted, spotless,
stainless: The house has been preserved in its original
condition, unspoiled by modern additions.
unstable adj. 1 changeable, variable, unsteady, inconstant,
inconsistent, insecure, capricious, fickle, irregular,
unpredictable, unreliable, erratic, volatile, fluctuating,
flighty, mercurial, vacillating, tergiversating, indecisive,
undecided, irresolute, indefinite, unsettled: He seems too
unstable to maintain a long-standing relationship. 2 See
unsound, 1, above.
unsuccessful
adj. 1 unfortunate, unavailing, vain, abortive, useless,
bootless, fruitless, unfruitful, unproductive, ineffective,
ineffectual, inefficacious, worthless, unprofitable, sterile:
We made an unsuccessful attempt to regain control of the
company. 2 unlucky, hapless, unfortunate, luckless, defeated,
beaten, jinxed, cursed, foiled, frustrated, balked: Trevor