non-interchangeableOur editors are putting together more complete content — check back in about 20 minutesnon-interchangeablenon-interchangeable — adjective形容詞1. not able to be exchanged or substituted for one another1.形容詞釋義not able to be exchanged or substituted for one another例句The parts in this machine are non-interchangeable, so you must use the exact replacements.