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uncertain

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uncertain/ˌʌnˈsɚtn̩/adjective
uncertain
/ˌʌnˈsɚtn̩/
adjective
Learner's definition of UNCERTAIN  
[more uncertain; most uncertain]
: not certain: such as
: not exactly known or decided : not definite or fixed
   b  : not sure : having some doubt about something
   c  : not definitely known
   d  : likely to change : not constant or dependable

in no uncertain terms

: in a very clear and direct way

— uncertainly

adverb
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