- The definition of brand-new is something that has never before been done or that has never been used before.
An example of something that would be described as brand-new is a pair of shoes you just picked up from the store that you have not even worn yet.
A woman shows off her pair of brand-new shoes.
brand-new definition by Webster's New World
- entirely new
- recently acquired
Origin: origin, originally , fresh from the fire: see brand
brand-new definition by American Heritage Dictionary