B1 the distance from the top to the bottom of something, or the quality of being tall: The sheer height of New York's skyscrapers is so impressive. She's about average height (= neither short nor tall).High, tall and deep B1 the particular distance that something is above a surface: The bullet entered the body at chest height.High, tall and deep heights › high places, or the top of hills: Don't go up the tower if you're afraid of heights. Machine guns were mounted along the heights behind the town.Hills and mountains › a high level of success: He reached the heights of his profession at the age of 35. Share prices scaled new heights yesterday. Her husband rose to the dizzy/lofty heights of transport minister.Success and achievementsHigher and lower points of achievementFailures the height of sth C2 the time when a situation or event is strongest or most full of activity: August is the height of the tourist season. At the height of the violence/crisis we were left without any help.Specific periods of timePower and intensityEnergy, force and power › an extreme example of something: the height of fashionIntensifying expressions › the time when you are most successful in what you do: She was at the height of her career when he first met her.Higher and lower points of achievementSuccess and achievementsFailures