haggard

/ˈhæɡ.əd/noun

A wild hawk caught for training after it has already reached adulthood.

Example sentences

“The falconer explained that a haggard is harder to train than a young bird.”
“He preferred working with a haggard because of its proven hunting instincts.”

The adjective is what you need: a haggard face shows exhaustion and strain, as after sleepless nights. This falconry noun is the surprising source, a wild-caught hawk.

Related words

haggleTo bargain back and forth with a seller in order to get a lower price.hackneyedTo wear out a word or expression by using it so often that it loses its freshness.hailSmall balls of ice that fall from the sky like rain, often during thunderstorms.hackerSomeone who breaks into computer systems or networks without permission, often to steal data or cause damage.hallowedTo make something holy or set it apart as sacred.gymnasticsA sport in which athletes perform routines of controlled movements that demand strength, balance, and flexibility.