The antonyms for the word "more pervading" can include scarce, rare, infrequent, sporadic, occasional, and limited. These words express the opposite of the idea that something is present everywhere, spreading widely, or being all-encompassing. For instance, scarce implies that something is in short supply or difficult to obtain, while rare means that it is unusual, uncommon, or distinctive. Infrequent means something that appears or happens only rarely, while sporadic describes something that occurs at irregular intervals. Occasional refers to something that happens infrequently, and limited refers to something that is restricted in scope, space, or quantity.