unheard-of

listen to the pronunciation of unheard-of
İngilizce - İngilizce
Previously unknown; unprecedented
nothing similar has ever been mentioned; lacking a precedent
previously unknown; "a first novel by an unheard of writer"; "developments on an unheard-of scale
You can say that an event or situation is unheard of when it never happens. Meals are taken communally with other guests in the dining-room. Private bathrooms and toilets are unheard of It's almost unheard of in France for a top politician not to come from the social elite
You can say that an event or situation is unheard of when it happens for the first time and is very surprising or shocking. Mom announced that she was going to visit her family for a couple of weeks, which was absolutely unheard of. something that is unheard of is so unusual that it has not happened or been known before
unheardof
New; unprecedented; unparalleled