illusory Get Printable Handwriting (il-lu-so-ry) 4 syllables Rhymes Learn It! Spelling Test Definition adjective. unreal or imagined; deceiving. Example Sentence His chances of getting a raise were illusory since he was bad at his job. Synonyms unreal; imagined; deceiving Antonyms certainty; fact; reality; truth Rhymes Four Syllable Rhymes (1) illusory Share with your friends: