What is the meaning of sooner?

noun

• A native or resident of Oklahoma.
  • synonyms: Oklahoman

adverb

• In the near future.
  • usage: "the doctor will soon be here"; "the book will appear shortly"; "she will arrive presently"; "we should have news before long"
  • synonyms: soon, shortly, presently, before long
• Comparatives of `soon' or `early'.
  • usage: "Come a little sooner, if you can"; "came earlier than I expected"
  • synonyms: earlier
• More readily or willingly.
  • usage: "clean it well, preferably with warm water"; "I'd rather be in Philadelphia"; "I'd sooner die than give up"
  • synonyms: preferably, rather