The phrase "hard-earned" is commonly used to describe something that has been achieved or acquired through immense effort and labor. Synonyms for this phrase include "well-deserved," "earnestly won," "painstakingly earned," "hard-won," "arduously gained," "labored for," and "sweated out." Each of these synonyms captures the same concept of something being difficult to attain. Whether it be a physical accomplishment, a career success, or a financial gain, using synonyms for "hard-earned" can add depth and emphasis to the achievement. It showcases someone's determination and fortitude, highlighting the importance and value of the accomplishment.