A really boring person that only does things that are "age like"...
"hey wanna go do 101 things in walmart??"
" no that is sooo immature."
"watever. ur boring."
by ieezsooperawzumninja February 15, 2010
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Knowing when to be immature.
It takes a mature person to know when to goof off and when not to.
by LordMethos January 6, 2004
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The level at which one understands society's, and opposite sex's appeal to oneself. Is able to recognize appropriate times to act immature and can confidently carry themselves through times of despair, relationship issues, job interviews, exams, family problems, etc.

A mature person is mentally free of all immature excuses such as, egocentric blameworthiness, "too tired", "I forgot", or lying for cover. Instead, a mature person will respond to issues with admittance and apologize.
Maturity...
Immature:

Police Officer - do you know how fast you were driving before I pulled you over?

Driver (lying) - I didn't even know what the speed limit was?

Mature:

Police Officer - Do you know how fast you were driving before I pulled you over?

Driver (honest and apologetic) - My apologies officer but I believe I was traveling around 15 over the speed limit.
by Jimmythesnagglepuss September 27, 2011
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The thing that people who argue about it DON'T have.
"Maturity is learning from your mistakes."

"NO. Maturity is when you don't make mistakes anymore, AKA absolute maturity."

Yeah, not very mature people
by MrTflrbg September 24, 2012
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The ability to recognize when it is acceptable to act in an immature manner
Leaving before he let his anger get the best of him was a sign of his maturity.
by B-HAC August 16, 2010
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1.Content that is to be kept away from anyone under 18 at all costs.
2.In porn, pictures of nasty old ladies naked.
1.Rated M for mature because someone says "shit" and a person gets punched in front of a stripper bar in the background.
2.Tight young INTELLIGENT virgin pussies at matureladies.com. . .sucker!
by Fatass February 13, 2003
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