grackles Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition plural noun. birds with shiny black feathers and long tails. Example Sentence The grackles flew across the sky. More Example Sentences These birds are common in many parks. Synonyms blackbird; bird; creature Antonyms doves; sparrows Hear It! Say It! Write It! grackles Switch to cursive Start Share with your friends: