colorless Get Printable Handwriting (col-or-less) 3 syllables Rhymes Learn It! Spelling Test Definition adjective. weak or without the visual attributes that result from the light an object emits or transmits or reflects Example Sentence The black and white photograph was colorless. Synonyms dull; neutral; pale Antonyms bright Rhymes Three Syllable Rhymes (1) colorless Share with your friends: