"Most pleasure-loving" can be characterized as someone who favors enjoyment and fun above anything else. Antonyms for this term can include words that describe individuals who prioritize responsibilities and obligations over leisure and entertainment. Some possible antonyms can be prudent, serious, responsible, diligent, conscientious, and hardworking. These words suggest a person who values productivity and dedication, and may not prioritize indulging in pleasure-seeking activities. While being pleasure-loving is not necessarily a negative trait, these antonyms can describe individuals who uphold a more restrained and disciplined lifestyle, focusing on long-term goals instead of immediate gratification.