"Pennyante" is a term that refers to something small, insignificant or of little value. Antonyms for this word would be grand, magnificent or substantial. A grand event is one that is large and impressive, while a pennyante one is small and unimportant. Similarly, a magnificent mansion is impressive and luxurious, while a pennyante house is tiny and unimpressive. A substantial meal is one that is filling and satisfying, while a pennyante one is small and unsatisfactory. Antonyms for pennyante are often used to describe things that are grand, significant and of high value, which are the opposite of things that are pennyante.