Chinese words with 废 character meaning (HSK)

FEI4, HUA4
nonsense, rubbish, superfluous words, You don't say!, No kidding! (gently sarcastic)

BAN4, TU2, ER2, FEI4
to give up halfway (idiom), leave sth unfinished

FEI4, CHU2
to abolish, to abrogate, to repeal

FEI4, QIN3, WANG4, SHI2
to neglect sleep and forget about food (idiom), to skip one's sleep and meals, to be completely wrapped up in one's work

FEI4, XU1
ruins

ZUO4, FEI4
to become invalid, to cancel, to delete, to nullify