leading light

[ lee-ding ]
/ ˈli dɪŋ /

noun

an important or influential person: a leading light of the community.

Origin of leading light

First recorded in 1870–75

British Dictionary definitions for leading light

leading light
/ (ˈliːdɪŋ) /

noun

an important or outstanding person, esp in an organization or cause
nautical a less common term for range light

Idioms and Phrases with leading light

leading light

An important or influential individual, as in Jim was a leading light in his community. This expression, alluding to moral guidance, dates from about 1870, but terms such as a shining light have been used for an outstanding person since the first half of the 1500s.