adjunct Get Printable Handwriting (ad-junct) 2 syllables Rhymes Learn It! Spelling Test Definition noun. something or someone joined or added to something else but not essentially a part of it. Example Sentence He works as an adjunct teacher at the university. Synonyms addition; help; accessory; addendum Antonyms detriment; lessening; subtraction Rhymes Two Syllable Rhymes (1) adjunct Share with your friends: