intemperate

/ɪnˈtɛmpərɪt/
adjective
  1. Showing a lack of self-control; excessive or extreme, especially in behavior, emotions, or speech.
    • The coach warned the player about his intemperate temper on the field.
    • She regretted her intemperate remarks after the argument.
    • His intemperate outburst during the meeting embarrassed everyone.
  2. Given to excessive drinking of alcohol.
    • Historically, intemperate habits were often condemned by religious leaders.
    • His intemperate lifestyle eventually damaged his health.
    • The novel's main character is an intemperate man who drinks heavily every night.
  3. Not moderate or mild; severe or harsh, especially in weather or climate.
    • Intemperate weather conditions forced the cancellation of the outdoor event.
    • They were not prepared for the intemperate heat of the desert.
    • The intemperate winter storm caused widespread power outages.