Definition of "agnosticism"

agnosticism

/æɡˈnɒstɪsɪzəm/

noun
countable and uncountable, plural agnosticisms
1. The view that absolute truth or ultimate certainty is unattainable, especially regarding knowledge not based on experience or perceivable phenomena.
2. The view that the existence of God or of all deities is unknown, unknowable, unproven, or unprovable.
3. Doubt, uncertainty, or scepticism regarding the existence of a god or gods.
  Quotations
  The Old Testament is responsible for more atheism, agnosticism, disbelief — call it what you will — than any book ever written; it has emptied more churches than all the counterattractions of cinema, motor bicycle and golf course.
  1988: James B. Simpson, Simpson’s Contemporary Quotations, № 4,393 (Houghton Mifflin
4. (by extension) Doubt, uncertainty, or scepticism regarding any subject of dispute.
  Quotations
  2009, B. Pontin, “Climate change agnosticism - its meaning and implications”, in Environmental Law and Management‎, volume 21, number 2, pages 55–57