pickleading light leading light {n. phr.} A prominent person in a community, company, or group. Alan is the leading light of our discussion group on music. Categories: add yours music noun Source: A Dictionary of American Idioms 'leading light' on video Leading Light - World Eater (Official Video) Leading Light - "Culture Under Compulsion" Official Music Video Leading Light - 13 (OFFICIAL VIDEO) Leading Light - World Of Apathy (Official Music Video) sort: relevance, mode: exact match, q: "leading light", maxResults: 4, videoEmbeddable: true, videoSyndicated: true, safeSearch: strict, type: video Subscribe to: American IdiomsEnglish Slang Discuss