mikros Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition adjective. a greek word meaning 'small' or 'tiny'. Example Sentence The root mikros in microscope changes the meaning to a scope to see small items. More Example Sentences She found a mikros pebble on the beach. Synonyms little; tiny; miniature Antonyms large; big; huge Hear It! Say It! Write It! mikros Switch to cursive Start Share with your friends: