Carrot-top is a colloquial term used to describe a person with red hair. Other words that can be used as synonyms for carrot-top include ginger, copper-top, red-head, fiery, flame-haired, strawberry blonde, and auburn-haired. Ginger is a term most commonly used in the UK while copper-top is used in the US. Red-head is a more formal word for carrot-top and can be applied to both males and females. Fiery and flame-haired tend to convey a more passionate or fiery personality. Strawberry blonde refers to a lighter shade of red hair that has hints of blonde. Lastly, auburn haired is a darker shade of red hair that has brown undertones.