The word unstruck is rare and quite uncommon. Synonyms that could replace it are a few; Unplayed, unplucked, unused, untouched, pristine. They call out to things that are still fresh, pure, virginal and untapped. These are words that could describe a guitar that has never been strummed, a river that has never been swam in, or a brand new book that has never been opened. Unstruck is often related to music instruments like bells or gongs which have not been played yet. Unstruck synonyms represent things that are waiting for someone to come and bring out their full potential.