ready to face danger, pain or suffering; having no fear

bold

(often brazen-faced) (of a bad person, bad behaviour) without shape

brash, unashamed

describing a situation when prices are rising

forceful

brave; fearless

brave, bold

bold and courageous or adventurous

adventurous

showing no fear about refusing to obey; openly disobedient

disobedient, disregardful

(of a person, character, argument etc) convincing, believable

effective, powerful

having, needing, great courage

brave, champion

brave and fearless

brave, nervy

too confident

confident

brave

brave

(especially of drugs or alcoholic drink) strong

effective, powerful, forceful

showing courage, determination

lively, vivacious

strong and determined; a loyal supporter

strong, valiant

not afraid

fearless

brave (the usual word)

brave

courageous

courageous