1. (a.) Not valued; not appraised; hence, not considered; disregarded; valueless; as, an unvalued estate.

2. (a.) Having inestimable value; invaluable.

despised disliked lowly misprized misunderstood out of favor thankless unappreciated uncared-for underestimated underrated undervalued unlamented unmissed unmourned unpopular unregretted unsung