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5.
Specific information on how to perform a difficult task. (originated in rock climbing/bouldering)
(Climbing) Chip had some pretty good beta for me, so I think I've got this problem dialed in. (General) Can you give me some beta on how to get to your house?
by Ash April 26, 2005
 
1.
A beta is a male who, instead of being alpha and manning up, completely bitches out. Can apply to many situations, but often refers to scenarios with women.
Guy 1: Bro, hook me up with that girl's friend
Guy 2: Fuck that. I'm going to double up with both of them. Stop being such a beta.
by TLSForever July 15, 2011
 
2.
A beta version of a program, game etc... is an unfinished version released to either the public a select few or whoever signs up to beta test it for bugs or glitches. A common mistake people make when talking about for exampl 'Msn beta' is they say 'better' instead of beta.
Windows is not exactly a beta test because instead of testing all the numerous bugs in the operating system they sell them :P.
by Theodore Robson January 09, 2006
 
3.
a person who proof-reads or edits fanfiction.
Thanks for beta-ing my fic, babe!
by Chicky December 28, 2003
 
4.
1. An unfinished version of a program released for users to test before the final version is released.
2. A person who proofreads fiction.
3. A type of fish.
1. I beta'd Photoshop CS3 and gave Adobe feedback when I was done.
2. My lovely beta caught my grammatical errors in my story.
3. Sally used to have a beta fish, but her cat ate it.
by Kathleen the green bean May 06, 2007
 
6.
The opposite of an alpha male, someone who seeks acceptance from a woman and is needy.
Platter: You begged her to go out with you and said you were sorry a bunch of times?

Sherlock: Yeah I went beta on her, at first I was alpha but later I became beta after she rejected me
by the AK July 11, 2008
 
7.
The final state of a program released by Microsoft.
Windows Vista, Internet Explorer, Windows ME, etc are all beta.
by eons of grey August 30, 2007