What are the opposite words for substance?

The opposite of substance is essentially everything that substance is not. Words like frivolity, superficiality, immateriality, and insignificance are its antonyms. Frivolity refers to lacking seriousness, substance or depth, and not having any real value. Superficiality suggests something being shallow, not being able to penetrate beneath the surface, and lacking depth. Immateriality implies being intangible, not having any physical form, and lacking material existence. Insignificance describes something as being meaningless, lacking importance or relevance, and not being worthy of attention. These words provide an antithesis to the idea of substance, which is something possessing significance, relevance, weight, or importance.

Antonym of the day