infeasible (adjective) impossible: beyond the bounds of possibility
Sinonime: audacious, bold, brazenfaced,
cheeky*, cocksure,
cocky*,
effervescent,
flip, foolhardy,
forward, hasty, headlong, heedless, hotheaded, ill-advised,
impertinent, impetuous, impolitic,
impudent, incautious, inconsiderate, indiscreet,
insolent, madcap,
maladroit, nervy, precipitate, presuming,
presumptuous,
pushing, rash, reckless,
rude, self-asserting, self-assertive, tactless, thoughtless, undiplomatic, untactful, uppity,
vivaciousAntonime: afraid, careful, cautious, discreet,
fearful,
reserved