There are many synonyms for the phrase "substantial meals," which refers to meals that are filling and sufficient in quantity. These synonyms include hearty meals, nourishing meals, satisfying meals, full meals, substantial dishes, ample dishes, big meals, and filling meals. These phrases can be used interchangeably with "substantial meals" for a more varied and interesting vocabulary. Whether you're describing a home-cooked meal or a gourmet dining experience, using synonyms for "substantial meals" can add depth and color to your language. Additionally, these synonyms can help you describe different aspects of a meal, such as its flavor, texture, or nutritional content.