Brand-new (adjective)

1. Entirely new and unused, having no defects or wear.
2. Having never been used or worn before, being in new and perfect condition.

Origin:

Brand new ("entirely new, never used before") is a compound of brand ("burning, a mark made by burning") + new ("not existing before, fresh, recent").

Examples:

1. She got a brand-new car for her birthday.
2. The brand-new phone was still in its box.
3. The house was brand-new and had never been lived in before.
4. The suit was brand-new, the tags were still on it.
5. The shoes were brand-new and didn't have a single scuff on them.