The phrase "do by halves" means to do something incomplete or not to the fullest extent possible. Some synonyms for this phrase include half-hearted, half-baked, incomplete, half-done, and half-measures. These words can be used interchangeably to describe a task or job that was executed with a lack of enthusiasm or dedication. Whether it's work, relationships, or personal goals, doing things by halves is rarely fulfilling or rewarding. It's important to strive for excellence and give everything our best effort to achieve success in all aspects of life. So, avoid doing things by halves and aim for greatness.