1ex·treme 
/ɪkˈstri:m/ adjective
/ɪkˈstri:m/ adjective 1 : very great in degree
▪ The plant is sensitive to extreme heat and cold. ▪ They are living in extreme poverty. ▪ If you have to go out in the storm, use extreme caution. [=be very careful] ▪ Extreme accuracy is required. ▪ extreme old age 2 [more extreme; most extreme] : very serious or severe
▪ She went on an extreme diet. ▪ Many thought that the punishment was too extreme for the crime. ▪ extreme weather conditions ▪ This situation calls for extreme [=drastic] measures. ▪ The plan was rejected as too extreme. ▪ This is an extreme example of what can happen when a company grows too quickly. 3 [more extreme; most extreme] : very far from agreeing with the opinions of most people : not moderate
▪ He has extreme opinions when it comes to politics. ▪ Members of the extreme right/left opposed the legislation. 4 always used before a noun : in the farthest possible position
▪ In the photo, she is at/on the extreme right/left. [=she is in the position that is farthest to the right/left] ▪ The city is in the extreme northern part of the state. 5 sports a : unusual and dangerous
▪ extreme sports ▪ He is a fan of extreme skiing/snowboarding.
b always used before a noun, US : involved in an unusually dangerous sport : competing in an extreme sport
▪ an extreme athlete ▪ He is an extreme snowboarder/skier.
▪ The plant is sensitive to extreme heat and cold. ▪ They are living in extreme poverty. ▪ If you have to go out in the storm, use extreme caution. [=be very careful] ▪ Extreme accuracy is required. ▪ extreme old age
▪ She went on an extreme diet. ▪ Many thought that the punishment was too extreme for the crime. ▪ extreme weather conditions ▪ This situation calls for extreme [=drastic] measures. ▪ The plan was rejected as too extreme. ▪ This is an extreme example of what can happen when a company grows too quickly.
▪ He has extreme opinions when it comes to politics. ▪ Members of the extreme right/left opposed the legislation.
▪ In the photo, she is at/on the extreme right/left. [=she is in the position that is farthest to the right/left] ▪ The city is in the extreme northern part of the state.
▪ extreme sports ▪ He is a fan of extreme skiing/snowboarding.
b always used before a noun, US : involved in an unusually dangerous sport : competing in an extreme sport
▪ an extreme athlete ▪ He is an extreme snowboarder/skier.
go to extreme lengths — see length
— ex·treme·ly adverb
▪ It is extremely [=very] hot/cold in here. ▪ She is extremely generous. ▪ The story has an extremely complicated plot. ▪ It is extremely [=highly, very] unlikely that we will know anyone there.
▪ It is extremely [=very] hot/cold in here. ▪ She is extremely generous. ▪ The story has an extremely complicated plot. ▪ It is extremely [=highly, very] unlikely that we will know anyone there.
