EVERYONE
Etymology
Pronoun
everyone
Every person.
Usage notes
• Everyone takes a singular verb: Is everyone here?; Everyone has heard of it. However, similar to what occurs with collective or group nouns like crowd or team, sometimes a plural pronoun refers back to everyone which is also reflected in verb conjugations: Everyone was laughing at first, but then they all stopped. / Everyone has a smart phone nowadays, don't they?
Synonyms
• (every person): everybody, the world and his wife
Antonyms
• (every person): no one
Source: Wiktionary
Ev"er*y*one`, n. Etym: [OE. everychon.]
Definition: Everybody; -- commonly separated, every one.
Source: Webster’s Unabridged Dictionary 1913 Edition