Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc. bullheaded adjective Tenaciously unwilling to yield: dogged,hardheaded,headstrong,mulish,obstinate,pertinacious,perverse,pigheaded,stiff-necked,tenacious,willful. ...
Staffordshire bull terrier,Staffordshire bullterrier- English breed of strong stocky dog having a broad skull and smooth coat American pit bull terrier,American Staffordshire terrier,pit bull terrier,Staffordshire terrier- American breed of muscular terriers with a short close-lying stiff coat ...