definetley 

Should be your first clue that you don't know how to spell "definitely"

I definetley know how to spell the word "definetley"

definetley by jasperspop September 14, 2010

definately 

Idiot-speak for "definitely". One of the most common moronic misspellings found on the internet.

The new Backstreet Boys CD is, like, definately the best thing ever.

definately by monsieurjohn June 24, 2003

Definate

This is not the way it's spelled!

The way to spell "definite" is DEFINITE.
There's no "A" in it! Dammit!
And, while I'm on the subject, there is no "A" in "excellent"!

Definate by Anonymous August 6, 2003

definatly 

Definitely. A common mis-spelling that has propagated itself virally (see "meme").

People commonly misspell definatly. I mean definitly. I mean definitely.

definatly by Curumbor Elendil February 11, 2005

definability 

The ability to quickly and accurately read an environment, a situation or a person.

My definability tells me that Juan is manipulating his team in order to make himself look good.

definability by k3mmf February 6, 2012

definately 

The word many people use to spell 'definitely' until they suddenly realise they've been spelling it the wrong way.

Woah, I've been spelling it wrong all my life! That's definitely whack!

definately by insertexpletive December 17, 2004

definately 

The modern mis-spelling of definitely seen in almost every modern example where a spell checker was not deployed, most commonly in internet chat, probably from its mis-pronunciation by modern youth and/or being confused with unfortunately.

Yeh, man! Definately!!

definately by ..WiL May 16, 2005