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3.
Adjective
1. Having the lack of knowledge, or background/factual information of a particular thing in general. However, the effect in which this person will be proceeding with their "unproven knowledge" imbedded in their mind as if factual information, they, in turn, will plan on using it in the future to make false and incorrect statements based on what they didn't know about the particular thing, or may have heard as a majority of votes for.

And being ignorant does not mean stupid. There's a big difference between the two words.
1. During World War Two, in an American city(in the U.S.), two ignorant policemen arrested an Asian man who is in charge of a small store because he looked like a Chinese spy when he was really Japanese and not a spy.

2. Derek walked up to Shavam, noticing that he looked like he was from India, and asks him, "Are you Indian?" Shavam replies, "Yes." Derek then asks, "Say somethin' Indian." Shavam, confused, walks off. Kaitie, who was watching the whole conversation, walks up to Derek and tells him he is ignorant because of what he said.

3. Rebecca turned on a lamp and the bulb went out, so she went to get a new lightbulb, leaving the lamp switched to "ON". Freddy, her ignorant little brother, saw the bulbless lamp, and wondered what would happen if he stuck his finger in the lightbulb socket of the lamp, not knowing that he would get shocked.
by The Emolah(aka Emily Valentine) February 17, 2006
 
29.
Someone who is shallow and uneducated
When wondering if someone's a jew check
A. Last name
B. appearance
C. Nose

A very ignorant, shallow, and stupid thought
by The person who's typing July 03, 2013
 
30.
A noisy, ill-informed and unsophisticated declamation coupled with a lack of credibility and should never be taken serious.
The recent conservative tea parties to protest taxes are merely an attempt a collective igno-rant by a bunch of whinny little cry babies.
by S.W.A April 17, 2009
 
31.
a fool, one lacking knowledge or sophistication. politicians are quite ignorant. most of them of the left wing. see also liberal.
liberals care for everyone except for the straight white man. liberals are ignorant.
by independan­t July 16, 2006
 
32.
noun

Stupid people.
I'm surrounded by a bunch of ignorants!!
by DLM June 04, 2005
 
33.
To get all hyper and mad and make a big scene.
The way Ken talkin', Imma get ignorant , quick!
by joeyharp July 26, 2011
 
34.
to be silly or say something out of the blue that is not really related to the conversation, can be used to describe a close friend in a good way(slang)
"Dont you know its Black History Month?"

"It is? I always thought it was called Represent Month."

"Lol, wow your ignorant."
by Lolo4sho March 21, 2010
 
35.
crude, ill mannered, boorish (not to be confused with the standard sense of lacking knowledge)
We have a bunch of ignorant people on the radio who get paid for running off at the mouth.
by The Return of Light Joker July 02, 2011