a viral disease that affects some animals, especially dogs, and is highly contagious and causes fever, coughing, and a range of neurological, respiratory, and gastrointestinal symptoms;
e.g. I am always that my dog will catch distemper at the dog park.
(noun)
a general condition of ill-being, such as a disorder/illness or a bad mood;
e.g. Nothing I said could cure her distemper and glum mood.
(verb)
to unsettle something/someone and throw it out of order or arrangement;
e.g. Poor weather can often distemper people and make them feel irritable.