Sulphantimonious :: Sulphantimonic (a.) Of, pertaining to, or designating, a hypothetical sulphacid of antimony (called also thioantimonic acid) analogous to sulpharsenic acid..
Symphonious :: Symphonic (a.) Relating to, or in the manner of, symphony; as, the symphonic form or style of composition..
Symphonious :: Symphonious (a.) Agreeing in sound; accordant; harmonious.