41.   Burnout is used to describe a syndrome that goes beyond physical fatigue from overwork.

42.   But terms like compulsive and problem gambling are notoriously fuzzy, given that they are used to describe a wide variety of behaviors that do not fit easy definitions.

43.   But the mathematical equations scientists use to describe turbulence are so difficult to solve that until recently, only approximate solutions were possible.

44.   But the terms Smith used to describe that journey, sitting over the table in her apartment here in this quiet leafy suburb, were spiritual.

45.   Commitment and dedication, two words a lot of people are using to describe the Cal quarterback these days.

46.   Crusty and cynical are words often used to describe street poet, punk-rock survivor Lou Reed.

47.   Do not sell this short word short, as it can be used to describe sudden, transitory moves in any direction.

48.   El Nino, a term used to describe a warming of equatorial Pacific Ocean temperatures, disrupts weather patterns worldwide every few years.

49.   Each Cactus League fan seems to have a preference, but the comments used to describe most of the parks are nearly identical.

50.   Especially when it is used to describe his work.