IPA: //ˈsʌnˌbɜrn//
KK: /sʌnˌbɜrn/
A condition where the skin becomes red, painful, and sometimes blistered due to too much exposure to sunlight.
After spending the whole day at the beach without sunscreen, I got a bad sunburn.
To cause the skin to become red and painful due to excessive exposure to sunlight.
She forgot to apply sunscreen and ended up sunburning after a day at the beach.
Past: sunburned
Past Participle: sunburned
Sunburn is formed from "sun" (from Old English "sunne", meaning the star that provides light and warmth) and "burn" (from Old English "yrnan", meaning to be on fire or to scorch). The word "sunburn" describes the condition of skin being scorched or burned by the sun's rays.
Think of the 'sun' as the source of light and warmth that can 'burn' your skin, leading to the condition known as sunburn.