Synonyms:
- balking,
- balky,
- beefy,
- bigoted,
- bouncing,
- bulldogged,
- bulletheaded,
- bullheaded,
- case-hardened,
- controlled,
- dogged,
- dogmatic,
- doughty,
- fanatic,
- firm-minded,
- forceful,
- forcible,
- forcy,
- forward,
- full-blooded,
- full-strength,
- gutsy,
- gutty,
- hale,
- hard,
- hard as nails,
- hardheaded,
- hardy,
- headstrong,
- hearty,
- hefty,
- husky,
- importunate,
- independent,
- intolerant,
- iron-hard,
- lusty,
- mighty,
- mulish,
- nervy,
- obstinate,
- opinionated,
- overzealous,
- persevering,
- pertinacious,
- pigheaded,
- potent,
- powerful,
- puissant,
- pushy,
- red-blooded,
- restive,
- robust,
- robustious,
- rugged,
- self-asserting,
- self-assertive,
- self-controlled,
- self-expressive,
- self-possessed,
- self-restrained,
- self-willed,
- set,
- stalwart,
- steely,
- stiff-necked,
- stout,
- strapping,
- strong,
- strong as brandy,
- strong as strong,
- strong-minded,
- strongheaded,
- stubborn,
- sturdy,
- sulky,
- sullen,
- tenacious,
- uncooperative,
- unregenerate,
- vigorous,
- willful