unheard-of; unprecedented; record-breaking
Describes something that has never happened before, breaking previous norms or records. Often used in news and formal contexts.
His unprecedented idea changed the industry.
This movie was an unprecedented hit.
Colloquial use for a person or action that is bold, uninhibited, or recklessly unconventional. Often has a positive or admiring tone.
She has a wild personality and always surprises those around her.
That band's wild live shows are legendary.