Claudicant is a relatively uncommon word that refers to someone who is limping or walking with difficulty. To understand its antonyms, we need to think about words that describe movement, strength, and agility. Some antonyms for claudicant include nimble, agile, fleet-footed, dexterous, spry, and lithe. These words suggest a person who moves with ease and grace, without any physical difficulty or pain. Other antonyms for claudicant could include robust, strong, hale, hearty, and vigorous. These words suggest a person who is healthy and free of any limitations on their physical activities.