Intemperate (adjective)

1. Excessive or lacking in self-control, especially in relation to alcohol or emotional behavior.
2. Not moderate in behavior or language.

Origin:

This word comes from the latin word intemperatus, which means "not tempered", formed by in- meaning "not" and temperatus meaning "tempered".

Examples:

1. His intemperate behavior at the party got him kicked out.
2. Her intemperate reaction to the criticism was not well received.
3. The intemperate weather caused damage to the crops.
4. The intemperate driver was arrested for reckless driving.
5. The intemperate response of the politician was criticized by the media.