An acronym for a medical syndrome of the lungs. It stands for Adult Respiratory Distress Syndrome.

It is characterized as a rapid onset of progressive malfunction of the lungs usually associated with the malfunction of other organs due to the inability to take up oxygen. The condition is associated with extensive lung inflammation and small blood vessel injury in all affected organs. It is an acute and life threatening illness.
The survival rate for patients with severe ARDS who receive appropriate treatment is about 60%; if the severe hypoxemia of ARDS is not recognized and treated, cardiopulmonary arrest occurs in 90% of patients.
by Matt October 21, 2005

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Top Definition
ard
Originated in Philadelphia, slang for "affirmative", or "alright"
"I can't come to work today, my girl's having my baby."

"Okay...hope everything goes well. Take as much time as you need."

"Ard."
by cougheeNsmoke August 01, 2008

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ard
short for alright. slang normally used in philadelphia area.
1. ard i will meet you at the mall.
2. she was ard.
by Philly0101 August 11, 2008

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Ard
Aight or alright
Matt: Hey I g2g so I'll ttyl
Andrew: Ard
by phresh.KiDD. August 14, 2008

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to be hard. 'well hard' tough, strong minded, physically strong e.t.c
"He's proper A.R.D mate" - Chav talk
by Adam Ellis July 07, 2006

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Hard in northern.
Eeey by gum! your reet 'ard!
by alexandrajay June 13, 2008

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Short for Newtownards ("newt-nards")

a town in Northern Ireland where you will find fegs, Richmonds of course, spoons, Rigger and Leonard with their 3 leets
"u just stayin in ards tonite aye? spoons yeh?"
by Jonty September 08, 2004

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A.R.D (abbr. Anti-Rape Device*) adjective.

An outfit or item of clothing either so complicated or so ugly that even a rapist wouldn't bother to try and do you.

* disclaimer: there are some sicko's out there that even a poncho and track pants won't stop.
1) Jeans so tight and therefore difficult to remove that they function as to stop a rapist in their path; e.g. 'Man, my jeans are an A.R.D. , it took me ten minutes to get them on today' .

2) An outfit or item of clothing so unattractive, it wards off potential rapists. E.g. 'This hoodie is so gross, it's such an A.R.D. but I don't care, I'm compfy.'. or 'Man, did you see what she was wearing?! Total A.R.D. '
by Krave-ing March 17, 2011

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