Definition: (noun) A large number or amount or extent. Synonyms: hatful, lot, mint, muckle, peck, slew, spate, tidy sum, wad, stack, raft, pile, plenty, mass, batch, heap, deal, flock, pot, mess, sight. Usage: It was only when he found a mickle of old letters in the basement that he learned his grandmother had been a prolific and talented writer. Discuss