1the measurement of someone or something from head to foot or from base to top:columns rising to 65 feet in heighthe was of medium height
the quality of being tall or high:her height marked her out from other women
2elevation above ground or a recognized level (typically sea level):the glider is gaining height
[count noun] a high place or position:he’s terrified of heights
3 [in singular] the point or period at which something is at its best or strongest:the height of the tourist season (heights)they took consumerism to new heights
an extreme example of something:it would be the height of bad manners not to attend the wedding