Top Definition
1. Forth letter of the Greek alphabet.

2. At the mouth of a river, a mass of sediment usually of triangular shape eg: 'the delta of the nile', 'the Mississippi delta'

3. A mentally challenged individual who roams the forums/talkbacks at website 'Old-Wizzard'.
If you're that cretinous that you need an example for the word 'delta', you shouldn't even be on this site.
viết bởi Jesús Padilla Gálvez's acolyte 03 Tháng tư, 2011
The most badass, well trained, and toughest people in the world. Ready to kick ass any second.
Delta > all other forces
viết bởi CSM Random 23 Tháng hai, 2012
Highly effective soldiers skilled with all weapons systems, tactics, and hand to hand. Have mastery of at least two languages. Extremely polite and educated, they won't pick fights. If you absolutely need someone picked up or just dead, that's who you would want. Quiet, fast, and dead-on accurate. Normal and unassuming. When it all goes wrong, you want them in front - or if you're really fucking good, you'll be at their side.
Oh fuck man, I think that's delta out there. I'm gonna eat a bullet before they get here.
viết bởi Kilo3one 21 Tháng mười một, 2006
Fourth letter in Greek alphabet, the word Delta means a change in quantity (more rarely quality).
Take the value for the first day of each week and subtract it from the value at the next to obtain the weekly deltas.

Rates have gone up, but I converted to fixed, so my Delta hasn't been too bad.
viết bởi southernravin 31 Tháng bảy, 2006
A beautiful person with amazing personality. Has high intelligence and is best at everything. Is loved by many.
Your beautiful and pretty. You must be Delta
viết bởi Illmakeyoucrymichael 04 Tháng năm, 2015
insanely cool; hardcore; amazing; tight; fun
"Dude, did you really just ace that calc test? You are so delta!"
viết bởi Nick Jonas 07 Tháng tư, 2008
1. A woman of Delta Sigma Theta Sorority Inc., founded in 1913 at Howard Univ.
I went to a Delta stepshow and they were great!
viết bởi Nikki G. 15 Tháng mười hai, 2003

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