Sandal/ˈsændl/ Definition 1 of 2Pro Tip 1/3Casual Footwear Sandals are considered casual and usually worn in warm weather or at the beach. He wore sandals to the barbecue. Pro Tip 2/3Fashion Versatile Sandals come in many styles and are often used to accessorize summer outfits. Her bright sandals complemented her sundress. Pro Tip 3/3Not for Formality Sandals are not suitable for formal events or certain workplaces, they're too laid-back. Sandals are not appropriate for a job interview.