unbelievable

/ˌʌnbɪˈliːvəbl/ adjective

Definition

EXTREME › extremely bad or good and making you feel surprised: It's unbelievable how lucky she's been.

NOT LIKELY › not probable and difficult to believe

unbelievably adverb

(Definition of unbelievable adjective from the Cambridge Learner's Dictionary © Cambridge University Press)

something which threatens to cause problems or unhappiness in the future

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