nickname
🇺🇸
/ˈnɪkneɪm/
🇬🇧
/ˈnɪkneɪm/
a fun or friendly name for someone, often based on their real name, looks, or personality
My nickname 'Shorty' came from being the smallest in my family.
to give someone a fun or friendly name
They decided to nickname their new puppy 'Spot' because of the mark on its fur.