Noun
someone or something that is abnormally large and powerful
behemoth
McNamara, self-described "extreme surfer", broke the world record for "Largest Wave Surfed" by conquering a 90 foot behemoth in Praia do Norte, Nazare, Portugal.
Is that a bird? A star? No… it’s Baumgartner. Baumgartner jumped from an altitude of 128,097 feet over Roswell, New Mexico, reaching a peak speed of about 833 mph and creating a worldwide record in daredevilry.
Noun
sport of riding a modified surfboard that is attached to a large kite
The Columbia River Gorge, a chasm lined with luscious evergreen forests, waterfalls, and cliffs on the Washington-Oregon state border, is a premier spot for kiteboarding.
Noun
spare amount or measure given for contingencies
Among the dangers is the temptation to "push the envelope": To try to go closer to a rock wall, for instance, than anyone else. With no margin for error, you can pay for it with your life.
Adverb
according to a systematic or established form of procedure
'Spiderman' Alain Robert scaled the Burj Khalifa in Dubai, moving methodically and swiftly along the metal facade, and waving triumphantly at the top six hours later.
pitch
“The pitch of what he was riding, that was incomprehensible. Not just steep and technical, but mentally so challenging. You have to be the most calculated snowboarder in the world to do what he does ... and survive."