cranky

adj

1. (usually)Not in good working condition; defective, faulty.

   “We had seven canoes, all of them dugouts. One was small, one was cranky, and two were old, waterlogged, and leaky. The other three were good.”

   “Margaret Cerullo gave a rousing speech, despite the pesky interruptions of a cranky sound system.”

2. Grouchy, grumpy, irritable; easily upset.

   “He got home from a long day at work tired and cranky.”

3. Not in perfect mental working order; eccentric, peculiar.

   “Uncle Esau is as cranky as hell, and a peculiar old duck, but I think he'll like a fine upstanding young man as big as you be.”

4. Synonym of crank (“of a ship: liable to capsize because of poorly stowed cargo or insufficient ballast”).

   “a cranky vessel”

5. (archaic)Full of spirit; spirited.
6. (obsolete)Weak, unwell.