1. unprecedented
This century has witnessed environmental destruction on an unprecedented scale. | 2. We’ve entered an age of unprecedented prosperity.
If what she says is true, we're facing an unprecedented crisis
Anglais américain mot "niespotykany"(unprecedented) se produit dans des ensembles:
speaking 7.12. unparalleled
3. uncommon
Anglais américain mot "niespotykany"(uncommon) se produit dans des ensembles:
C Z gdzie mieszkasz B 54. unusually