wonkPronunciation: /wɒŋk/Definition of wonk noun 1North American informal, derogatory a studious or hard-working person:any kid with an interest in science was a wonk a person who takes an excessive interest in minor details of political policy:he is a policy wonk in tune with a younger generation of voters 2 Nautical slang an incompetent or inexperienced sailor, especially a naval cadet. Derivatives wonkish adjective Origin: 1920s: of unknown originwonk in other Oxford dictionaries Definition of wonk in the US English dictionary