(superl.) Strong; sinewy.

agitated all nerves apprehensive beefy biggety bluff bold bouncing brash bulldoggish cheeky chutzpadik cocky contemptuous crusty derisive discomposed disquieted disrespectful disturbed doughty edgy excitable excited facy fearful feverish fidgety flip flippant flurried flustered forceful forcible forcy forward fresh frightened full-blooded full-strength gally game gamy goosey gratuitous gritty gutsy gutty hale hard hard as nails hardy hearty hefty high-strung husky impertinent impudent iron-hard irritable jerky jittery jumpy lusty malapert mettlesome mighty nerves on edge nervous obstinate on edge overstrung panicky pert pertinacious perturbed plucky potent powerful puissant red-blooded resolute restive restless robust robustious rude ruffled rugged sassy saucy shaken shaken up smart smart-alecky smart-ass spirited spiritful spooky spunky stalwart steely stirred up stout strapping strong strong as brandy strong as strong strong-willed sturdy tenacious tense tough troubled troublous turbulent twitchy twittery uncalled-for uneasy unpeaceful unquiet unrestful upset uptight vigorous wise-ass