Tongue lashing refers to a scolding or reprimand given to someone. The antonyms of this phrase would be praise, compliment, and encouragement. Praise refers to expressing admiration and approval towards someone's accomplishments or character traits. Compliment means expressing admiration towards someone's appearance, actions or character traits. Encouragement refers to uplifting words or actions that motivate and inspire someone to do better. Instead of giving a tongue lashing, one can use positive words and feedback to motivate and encourage a person to do better in their endeavors. Therefore, it is vital to choose your words wisely and use them to uplift people instead of tearing them down.