Extreme Sports

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.
Adjective causing strong feelings of excitement and happiness
Join CMH for an exhilarating trip like no other in the spectacular Canadian wilderness. We give you access to vast expanses of endless champagne powder, old growth forests, and and snow untouched by wind and sun.
Adverb in a wild or reckless manner
Imagine racing over a frozen lake on a wind-powered sled, hitting exhilarating speeds that top 40 mph (64 kph), and riding harum-scarum on one runner.
Verb move with great speed or force
For extreme sports junkies, hurling down the side of a mountain isn't nearly extreme enough, so the lure of an active volcano makes it all the more exciting.
Verb falling straight down
Plummeting towards earth, they had just 70 seconds to find their partner and get into position to claim the title of most freefallers in a formation.
Verb climb up or over (something high and steep)
'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.
Adjective falling or rising sharply
You need steep slopes for high-speed, yet plenty of room for opening a parachute. Also you need little or no wind as an unknown turbulence could kill you.
Verb rise or extend far upward
This is the highest commercially operated bungee jump in the world. Towering 216 meters (708 feet) above the river, it's over 60 stories high.
Verb travel across or over
Parkour includes the physical practice of traversing elements in both urban and rural settings.
Adjective extreme
This ultra sport started when Hawaiian King Kahekili commanded his men to leap off the cliff, as a test of courage and loyalty to him.