Eat out Definition 1 of 2Pro Tip 1/3Informal Setting Used casually among friends or family, not in professional environments. My family decided to eat out after the movie. Pro Tip 2/3Social Activity Implies a social experience, may suggest time spent with others for leisure. She's planning to eat out with her old classmates. Pro Tip 3/3Expense Implication Might imply spending more money compared to cooking at home. Since we eat out less, we've saved quite a bit.