1. redness and pain on the skin caused by too much exposure to the sun’s rays
Usage: plural form

1. to become red and painful from too much sun exposure
Usage: third person singular present

Examples

• She got terrible sunburns on her shoulders after the beach trip.
• His sunburns were so bad he couldn’t wear a shirt.
• The lifeguard warned about preventing sunburns with sunscreen.
• Fair skin sunburns easily in direct sunlight.
• He always sunburns within minutes of being outside.
• The medication makes her skin more likely to develop sunburns.