All colt synonyms

noun colt

• filly — a young female horse.
• sapling — a young tree.
• foal — a young horse, mule, or related animal, especially one that is not yet one year of age.
• yearling — an animal in its second year.
• youngster — a child.
• rookie — an athlete playing his or her first season as a member of a professional sports team: The rookie replaced the injured regular at first base.
• fledgling — a young bird just fledged.
• youngling — a young person.