Classical Mythology . a ravenous, filthy monster having a woman's head and a bird's body.

( lowercase ) a scolding, nagging, bad-tempered woman; shrew.

( lowercase ) a greedy, predatory person.

noun

shrew , virago , nag , xanthippe , hag , vixen , swindler , shark , loan shark , shylock , fishwife , fury , termagant