Hackneys are horses that were originally bred for transportation in England. Today, the term is often used as a synonym for a taxi or a cab driver. Some synonyms for hackneys include carriage driver, cabby, taxi driver, chauffeur, and coachman. These terms all refer to someone who drives a vehicle for hire, typically transporting people from one place to another. Additionally, other synonyms for hackneys include hackneyed, overused, cliched, trite, and banal. These words have a negative connotation and refer to things that are tired, boring, or lacking in originality.