Excessively or unnecessarily burdensome, complicated, difficult or stressful.
I had a very challenging childhood. My parents pushed me through school and out into the real world without giving me an ounce of real love.
by D.S. Credito March 13, 2015
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the politcally correct term for a mentally retarded person.
Person 1: that guy is a retard!
Person 2: You cant say that word anymore. He is a challenger.
by jonesberger February 4, 2019
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One of the original four space shuttles built by NASA in the early 1980s, which also included Columbia, Atlantis, and Discovery.

Broke apart 73 seconds after liftoff on January 28, 1986, killing all seven crewpeople aboard, including schoolteacher Christa McAuliffe.
Everyone born prior to the Reagan Administration knows where they were when they heard the Challenger has exploded. It was the most tragic disaster related to space exploration the world had ever seen.
by TwentyFive January 28, 2011
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(Challenger II) One of the Best Army Tanks in the world, utilised by the British armed forces. It is the size of a large garage, weighs over 60 tonnes and carries enough of an armoury to wipe out a far greater number of T55 Soviet tanks as was proved in Iraq.
I'd much rather be in a Challenger II than one of the 14 odd T55's that got destroyed
by Wattsie May 10, 2006
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What is yelled after someone calls shotgun. When a challenge is issued the two battle in rock-paper-scissors best two out of three. Whoever wins holds the right to shotgun for the way to the destination. In order to avoid a dreaded challenge he or she has to yell "shotgun no challenge".
1.
Anthony: Shotgun.

Brian: Challenge.

Anthony: Son of a bitch.

2.

Brian: Shotgun no challenge.

Anthony: Damnit!
by TJTY June 4, 2009
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mentally retarded; also considered to have a mental or physical disorder,
Tiffany is so challenged because she has a disorder in her armpit.
by Juleus Pdot February 1, 2007
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mentally and physically impotent, incapable of doing or accomplishing anything.
he couldn't breathe because he was challengically challenged
by michael foolsley November 24, 2009
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