sweet spot

American  

[sweet spot] / ˈswit ˌspɒt /

noun

1. Sports. the spot on a club, racket, bat, etc., where a ball is most effectively hit.

2. a point, range, or particular set of conditions that will achieve the most desirable or effective outcome.

   The trick is finding the sweet spot between making the puzzle challenging but not impossible.

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sweet spot British  

noun

1. sport the centre area of a racquet, golf club, etc, from which the cleanest shots are made

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Etymology

Origin of sweet spot

First recorded in 1920–25

Example Sentences

"What we're seeing is a dose-response pattern where about 24 minutes of music with ABS seems to be the sweet spot," said Russo, Professor of Psychology at TMU and Chief Science Officer, LUCID.

From Science Daily

All hail the WBC, 20 years old and all grown up, its sixth incarnation stealing the stage in a sweet spot during NBA doldrums and before March Madness.

From Los Angeles Times

Figuring out your car’s sweet spot for fuel efficiency is also a help, GasBuddy’s De Haan said.

From The Wall Street Journal

Five seems to be the current agreed-upon upper limit before chaos ensues — a sweet spot similar to some human teams.

From The Wall Street Journal

U.S. refiners are in a sweet spot that’s likely to outlast the war.

From Barron's