fierce
adjective
[ fɪəs ]
• having or displaying an intense or ferocious aggressiveness.
• "fierce fighting continued throughout the day"
Similar:
ferocious,
savage,
vicious,
wild,
feral,
untamed,
undomesticated,
aggressive,
bloodthirsty,
dangerous,
cruel,
brutal,
murderous,
menacing,
threatening,
terrible,
grim,
cut-throat,
competitive,
keen,
intense,
strong,
relentless,
fierce
adverb
• very; extremely.
• "he was fierce proud"
Origin:
Middle English: from Old French fiers ‘fierce, brave, proud’, from Latin ferus ‘untamed’.