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a b c d e g h i j k l m p q r s t u v w x y z
n
o
f
uncommon
unbelievable^1
adjective extremely great or
surprising » Hugh showed
unbelievable courage.
colossal, incredible,
stupendous
unbelievable^2
adjective so unlikely it cannot
be believed
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uncertain^1
adjective not knowing what
to do » Jim looked uncertain
after hearing Sal’s insane plan.
doubtful, dubious, unclear,
undecided, irresolute,
vacillating
antonym: certain
uncertain^2
adjective not definite
» The injured player was
facing an uncertain future.
ambiguous, doubtful,
indefinite, indeterminate,
conjectural, undetermined
antonym: certain
unclear
adjective confusing and
not obvious » It is unclear
exactly how much support
Tia has for the new design.
ambiguous, confused,
vague
antonym: clear
uncomfortable^1
adjective feeling or causing
discomfort » Sarah slept
badly because her bed
was uncomfortable.
awkward, cramped,
disagreeable, ill-fitting,
painful
antonym: comfortable
uncomfortable^2
adjective not relaxed
or confident » Talking
about money made Mick
uncomfortable.
awkward, embarrassed,
ill at ease, self-conscious,
uneasy
antonym: comfortable
uncommon^1
adjective not happening
or seen often » A lynx is an
uncommon sight round here.
exceptional, extraordinary,
few, infrequent, out of the
ordinary, rare, scarce,
sparse, unusual,
unprecedented
antonym: common
ugly
adjective having a very
unattractive appearance
» The fish was very ugly,
with goggly eyes.
plain, unattractive,
unsightly, unlovely,
unprepossessing
antonym: beautiful
ultimate^1
adjective being the final one
of a series » It is not possible
to predict the ultimate winner
of the talent show.
eventual, final, last
ultimate^2
adjective the most important
or powerful » The ultimate
goal of any tennis professional
is to win a Grand Slam.
greatest, paramount,
supreme, utmost
ultimate^3
noun the finest example of
something » The fancy hotel
is the ultimate in luxury.
epitome, extreme,
height, peak
unaware
adjective not knowing about
something » She was unaware
of the large spider dangling
beside her.
ignorant, oblivious,
unconscious, unsuspecting
antonym: aware
unbearable
adjective too unpleasant to be
tolerated » The midday heat
was unbearable.
intolerable, oppressive,
unacceptable, insufferable,
unendurable
antonym: tolerable
unbelievable
(^2) adjective so unlikely it cannot be believed
»^ “Maybe we’ll live on Mars.” “And maybe pigs will fly,” snorted Dad. “Unbelievable!”
improbable
It’s an improbable
outcome.
That’s an implausible
implausible
claim.
inconceivable
It’s inconceivable
that’ll happen.
incredible
It’s incredible
you think that.
preposterous
It’s a preposterous
statement.
unconvincing
It’s unconvincing
to say that.
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