The word "weeklier" means weaker or less strong, but what are the antonyms or opposite words? The first antonym for weeklier is stronger, indicating that something or someone is more powerful or robust. Another antonym is sturdier, meaning more durable or resilient, able to withstand more strain or pressure. Additionally, the word healthier can also serve as an antonym for weeklier, implying a state of better physical, emotional, or mental well-being. Overall, antonyms for weeklier suggest the opposite qualities of physical, mental, or emotional weakness, such as strength, durability, and health.