bigwig

1. The most important person in a group or undertaking (synset 110254839)
   is a type of: important person, influential person, personage - a person whose actions and opinions strongly influence the course of events
   same as: kingpin, top banana

Other Searches

• Rhyme: Dillfrog, RhymeZone
• Definition: Wiktionary, Dictionary.com, Wikipedia, Merriam-Webster, WordNet, Power Thesaurus
• Imagery: Google, Flickr, Bing