The antonyms for the word "art slothful" are numerous! Instead of being lazy and unproductive, one could be industrious, energetic, diligent, or hardworking. These words all convey the opposite meaning of "art slothful" and suggest a person who is active and motivated. Other antonyms for "art slothful" might include efficient, studious, determined, or persistent. Each of these adjectives highlights a different aspect of someone who is not "art slothful" but rather committed to their work or craft. Ultimately, the antonyms of "art slothful" represent positive traits that we should all try to embody in our daily lives.