The phrase "sharp practice" typically refers to dishonest or unethical behavior. Antonyms for this term include honest, ethical, fair, and straightforward. When someone engages in sharp practice, it often involves taking advantage of others through deceitful means. Therefore, the opposite of sharp practice would be to act with integrity and to ensure that all dealings are conducted in a transparent and honorable manner. Using antonyms such as fair play, good sportsmanship, and integrity can help to promote a culture of honesty and respect in all areas of life. By avoiding sharp practice, we can cultivate more trusting and positive relationships with those around us.