STRONG definition: 1. powerful; having or using great force or control: 2. effective; of a good quality or level and…. Learn more. Strong can describe anything with firmness or power. You could have a strong will and resist the distractions of the internet while writing a paper all day, or your paper could have a strong argument, convincing your reader of your wisdom. Strong is an intuitive, easy to use workout tracker and strength training planner, trusted by more than 3 million people to help them stay on track in the gym. Define strong. strong synonyms, strong pronunciation, strong translation, English dictionary definition of strong. adj. strong·er , strong·est 1. a. Physically powerful; capable of exerting great physical force. b. Marked by great physical power: a strong blow to the. Don't sit on that table - it's fragile and will break. Go to the thesaurus article about these synonyms and antonyms of strong. Definition and Usage The strong tag is used to define text with strong importance. The content inside is typically displayed in bold. Tip: Use the b tag to specify bold text without any extra importance! STRONG definition: having, showing, or able to exert great bodily or muscular power; physically vigorous or robust. See examples of strong used in a sentence. Find 236 different ways to say STRONG, along with antonyms, related words, and example sentences at Thesaurus.com. strong, stout, sturdy, stalwart, tough, tenacious mean showing power to resist or to endure. strong may imply power derived from muscular vigor, large size, structural soundness, intellectual or spiritual resources. Some common synonyms of strong are stalwart, stout, sturdy, tenacious, and tough. While all these words mean showing power to resist or to endure, strong may imply power derived from muscular vigor, large size, structural soundness, intellectual or spiritual resources.