Antonyms for the word "high spirited" refer to traits that are the exact opposite of the said characteristic. Some antonyms for high spirited might include words such as timid, melancholy, dispirited, dejected, or unenthusiastic. While high spirited indicates a lively nature, an antonym it could be a subdued or inhibited nature. High spirited people are energetic and lively, while their antonyms are dull and lack energy. They might be described as lethargic or apathetic - a significant contrast to someone who is high spirited. Essentially, antonyms for high spirited are words that communicate an individual's introverted, reserved, or lackluster personality.