Easily or quickly angered or frustrated.

Becoming very vocal or even violent when angered or frustrated.

Any fit of bad temper, especially kicking, screaming or deliberately holding the breath.

Those parts of the Earth's surface between the tropics and the polar regions

Of or pertaining to bad temper; showing anger easily or customarily.

Remaining calm even in situations that would cause many others to become angry, frustrated, panicky, etc.

(archaic, of a person) good-humoured, pleasant, having an even temperament

good-natured, bonhomous

comparative form of bad-tempered: more bad-tempered

superlative form of bad-tempered: most bad-tempered