1. a medical condition in which the arch of the foot is flattened
2. a police officer
Usage: slang

1. to walk in a flat-footed manner

Examples

• The doctor diagnosed him with flatfoot and recommended special shoes.
• Her flatfoot condition made it difficult to find comfortable footwear.
• The old flatfoot walked his beat every night for twenty years.
• He tends to flatfoot when he’s tired from walking.
• Children with flatfoot often need arch support insoles.
• The flatfoot on the corner knew everyone in the neighborhood.