Spartanisms refers to the characteristics or qualities associated with the ancient Spartan city-state, such as simplicity, toughness, and strictness. Antonyms for Spartanisms could include luxury, indulgence, leniency, and extravagance. Instead of focusing on a strict and disciplined lifestyle, the antonyms portray an easy-going and relaxed approach to life. The word "opulence" is a prime antonym for Spartanisms as it represents wealth and luxury, something that was not a trait of the ancient Spartans. Similarly, sensitivity, softness, and gentleness can be antonyms for the word Spartanisms, which focused on a tough and rugged way of life.