Spoilt rotten is a phrase often used to describe someone who is overly indulged or pampered, but what are some antonyms for this term? Some words that are the opposite of spoilt rotten include humble, austere, unassuming, and modest. These terms are used to describe individuals who lead a simple and frugal life, without expecting or receiving excessive luxuries. Additionally, other antonyms for spoilt rotten may include disciplined, controlled, and responsible, as those who possess these qualities tend to prioritize hard work, self-reliance, and prudent decision-making over indulgence and extravagance. In short, the antonyms for spoilt rotten describe someone who is grounded, humble, and responsible.