Pronunciation: /ʌnˈhɜrd ʌv/
adjective not known or experienced before; unprecedented
A1 The idea of traveling to Mars was unheard of until recently.
A2 For many people, the concept of veganism is still unheard of.
B1 The company's innovative approach to customer service was unheard of in the industry.
B2 The level of corruption uncovered in the government was unheard of in the country's history.
C1 The artist's unique style was previously unheard of in the art world.
C2 The scale of the natural disaster was unheard of and left the region devastated.
formal The level of corruption in the government is unheard of in modern history.
informal Her talent for singing is unheard of around these parts.
slang The party last night was crazy, like unheard of levels of fun.
figurative The success of the new product was unheard of, breaking all previous sales records.
went
unheard ofs
more unheard of
most unheard of
is unheard of
will be unheard of
has been unheard of
is being unheard of
unheard of
unheard of
to be unheard of
being unheard of
unheard of