What part of speech is “everything”
Pronoun
Definition:
as a pronoun, 'everything' refers to all things or the entirety of a group or category of things. It encompasses the total amount, quantity, or extent of items in question.
Examples:
Everything is ready for the party.
I've packed everything for our trip.
She told him everything about her day.
Tips:
'everything' is singular, so it should be paired with singular verbs 'Everything is (not are) going well.' It's often used for emphasis to indicate the totality of items or situations in question.