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26.
Someone who believes that knowledge is not possible for themselves, some to different extents. They may believe that knowledge is possible, but paradoxically, it's impossible for them to know. While one will confine this to the metaphysical, most famously, regarding the existence of God, others will believe that they can know nothing at all, as not even their senses can be trusted.

Agnostics are often well-educated, and even more often do they see themselves as such. An agnostic, by virtue of their belief, typically sees themself as a very skeptical and critical person, and indeed, they usually are. They are often more intelligent on average than those who believe they know things, or at least, so the stereotype goes. Because of this, they often develop a sense of superiority, by which they can logically and rationally transcend the arguments of less-intelligent theists, who tend to be the most vocal ones.

An agnostic esteems above all else the scientific method. It is the infallible absolute of the agnostic. Everything must be empirically demonstrable to an agnostic, or it cannot be known to exist. A typical argument an atheist would use against a theist would be: "Since you cannot prove the existence of your God, how do you know that he exists?"

An agnostic attempts to apply empiricism to absolutely every aspect of reality. A thing does not exist unless it can be "scientifically proven". A modern understanding of science is the typical rhetoric of the agnostic.
Theist: "Do you believe in God?"

Agnostic: "I do not, because it is impossible to prove the existence of God. In fact, I do not believe it is possible to prove the existence of anything, as everything we've known is a product or our subjective consciousness."

Theist: "Are you sure?"

Agnostic: "Yes, I am 100% sure."

OR

Agnostic: "If a thing cannot be proven scientifically, there is no way to know that it exists"

Philosopher dude: "But you are assuming the existence of knowledge, which in itself is a totally abstract concept that is entirely unprovable by those means. If you are to apply the scientific method to every facet of knowledge, with our current understanding of perception and cognition, it would be impossible to trust your own senses, and everything would be unprovable, and hence, you could know nothing at all, including the validity of the scientific method."

Agnostic: "Any ideas of yours cannot be empirically proven, so I need not listen to you."

Philosopher dude: *facepalm.
by Philosopher dude December 27, 2010
 
71.
according to Stephen Colbert in I Am America (So Can You) it's means you are an atheist without balls if you're agnostic.

according to ME, being agnostic is being an atheist without balls.
Guy#1: Hi I'm a christian spreading the word.
Guy#2: Hi, i'll listen to you because i'm agnostic and i don't have a supreme being to believe in yet.
by robofunk_betch! July 30, 2008
 
72.
One who cannot make up their mind and just choose a religion

Often calls people who have chosen a faith (or to be athiest) as ignorant

Indecisive zealots
We know you're agnostic, now stop calling me a sheep
by Jack Volpe February 07, 2009
 
73.
one who thinks he is atheist
"i'm agnostic i do not believe in a god"
by gahhhhhhhh January 29, 2009
 
74.
A person who doesnt really belive in divinity but uses agnosticism as a means of insurance so she/he wont go to hell if it does exsist.
Danny Durko was an agnostic
by Wyatt Schrepel March 27, 2007
 
75.
Atheists without balls.
"Agnostics are just atheists without balls" - Stephen T. Colbert
by MareBear November 12, 2007
 
76.
A person who thinks there is a higher being (such as god), but knows there is no way to prove it exists, or doesn't exist. Most of the people who are agnostic don't really care enough to fully believe in a higher being. It isn't uncommen to see an agnostic going to any form of church, and supporting conservative Christian canidates.
Agnostic: "Meh.. Sure I believe in a god of some form, but I don't know which religion has the right god.. "
by krucifier November 02, 2005
 
77.
One who is certain of nothing except the falsity of the Christian faith.
Agnostics are some of the most open-minded people out there.
by David Mitchell April 28, 2005