The term "bursts at seams" implies bursting or collapsing due to excessive pressure. Its antonyms include stable, sturdy, and resilient, which all denote the quality of being strong enough to withstand pressure or stress without breaking down. Other antonyms include calm, controlled, and composed, which imply a lack of explosive or tumultuous energy. These words suggest a sense of steadiness and composure, as opposed to the chaotic and uncontrollable nature of bursts at seams. Overall, the antonyms for bursts at seams suggest a state of balance, strength, and control, highlighting the potential dangers of losing these qualities in any given situation.