15
One of a baddest ninjas on Naruto. He is a older brother of Sasuke Uchiha, once a prodigy of the Uchiha Clan who rose in ninja ranks at early age. He friggin killed his own clan for some unknown reasons, probably to motivate his envious brother to grow stronger and be a threat to his awesomeness. He left Konoha and join an criminal organization Akatsuki. He's partners with S-Criminal of Water Country Kisame Hoshigake. His ninja skills are cool, with his sharighan, he can copy ninjutsu, taijutsu, and genjustu and send it back to his opponents. With his Mangekyo Sharigan, He can send his foes to a illusionary world and torture them for 72 years, mentally crippled Sasuke and Kakashi. With his sharighan, He could be God-like Invisible Ninja.
Itachi's qoutes.
# You're not even worth killing.
# Foolish little brother. If you want to kill me, hate me, detest me, and survive in an unslightly way. Run, run and cling to life. And then some day, when you have the same eyes as I do, come before me.
# You're still too weak. You don't have enough hate. And you know something? You never will.
# Indeed, your abilities are impressive. They might even be enough to resist the Mangekyo Sharingan. However, there is something they can't defend against: This special Sharingan jutsu called "Tsukuyomi." Only someone with the Sharingan and Kekkei Genkai can defeat me.
# Why is it that the Uchiha clan was known by all and feared by all? I'll show you what the Sharingan can do when it's wielded by a true heir of the bloodline.
by MUKIZA June 23, 2007
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16
Uchiha Itachi is the other brother of Uchiha Sasuke. He is a "missing" S Class ninja and also a member of The Akatsuki, where his partner is the "famous" shark-man Kisame (Weilder of the Samehada). Uchiha Itachi murdered his best friend in order to obtain the Mangekyou Sharingan. Uchiha Itachi then murdered the entire Uchiha clan except for his younger brother Uchiha Sasuke. The reason for that is so that Sasuke could become strong enough to kill Uchiha Itachi.
The Japanese word "itachi" literally means "weasel." In which most people often make fun of Uchiha Itachi for that reason.
Itachi is usually interpreted as a femal or a transvestite. And a homosexual.
by iDeidara March 26, 2007
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17
1) Older brother of Sasuke Uchicha and member of Akatsuki
2) nickname for the bags under your eyes that you get from not sleeping, ie like the ones Itachi has ever since he was a little kid
1) Yo, isn't Itachi sweet?
2) Hey look, Christina has itachies! Hehe
via giphy
by naruto_dattebayo24 December 21, 2016
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18
A blind, ded hobo from the manga series, Naruto.

Itachi is the first spawn of the Uchiha clan head. He is immediately recognized as a 'genius', amazingly skilled at ninja fighting/tactical abilities across the board, despite very little canonical evidence of this. Fugaku mostly ignores Itachi's little brother in favor of Itachi, which is ironic since generally it's the scorned child that goes and offs everyone.

Which is what Itachi did, incidentally, then he was busy being a troubled teen.

Shortly after the death of the Third Hokage, roughly five years later, Itachi returns to Konoha, this time under the organization, Akatsuki, and in pursuit of Naruto. Itachi's little brother is understandably incensed by Itachi's reappearance; he challenges him and gets PWN'd.

Thereafter, Itachi makes numerous random appearances, to no particular avail. He is apparently going blind, which makes it even more sad, because it's obvious he's never been to a seamstress in his life, and all of his clothes fit him like run-over shopping bags.

Then he dies.
1. Look, there goes Itachi. His brother is in the other direction, but take pity on the poor lump.

2. Itachi kills lots of people, including himself.
by Kalliel March 21, 2009
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19
A female Japanese insult, loosely translated as "Masculine Female"
"Look at that Itachi!"
"Sasuke's brother?"
"No! I was refering to Sakura!"
by Makaze March 26, 2008
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20
Weasel, literal meaning (appropriate in my opinion)
He is such an Itachi
by Karralmer July 28, 2010
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21
An Uberly-gay Character from the anime Naruto. He totally sucks
"Itachi is so uberly gay he got killed by sasuke"
by Kealoha969 January 27, 2009
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