unprecedented

US /ʌnˈpres.ə.den.t̬ɪd/
UK /ʌnˈpres.ə.den.t̬ɪd/
"unprecedented" picture
1.

never done or known before

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The company achieved unprecedented growth last quarter.
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The storm caused unprecedented damage to the coastal areas.
:
unparalleledunmatchedunequaledunrivalednovel
:
commonordinaryfamiliarusualconventional