Antonyms for the word "most hard-working" include lazy, idle, unproductive, unmotivated, and indolent. These terms describe individuals who lack drive, ambition, and discipline, and who are unwilling or unable to put in the effort required to achieve their goals. Unlike hard-working individuals who are dedicated and focused on their tasks, these antonyms suggest a lack of dedication and commitment to work or tasks. While some may argue that laziness is a natural human inclination, it's important to understand that being hard-working is a key virtue that often leads to success and achievement in various aspects of life.