Sunburn
Part of speech: noun
Definition: A burn caused by the sun's harmful rays.
Part of speech: verb
Definition: To receive a sunburn.
Sunburnt
Part of speech: adjective
Definition: Having a sunburn; having been burned by the sun's rays
Sunburn as a noun is a burn caused by the sun's harmful rays. while Sunburnt as an adjective is having a sunburn; having been burned by the sun's rays
Part of speech: noun
Definition: A burn caused by the sun's harmful rays.
Part of speech: verb
Definition: To receive a sunburn.
Part of speech: adjective
Definition: Having a sunburn; having been burned by the sun's rays
We hope you now know whether to use Sunburn or Sunburnt in your sentence.