Substantialized refers to something that has been made substantial or real. Antonyms for this word could include words that suggest the opposite, such as "unreal," "insubstantial," "ephemeral," or "immaterial." These terms indicate that something lacks substance or solidity, and may not have a tangible or lasting presence. Other antonyms could include words like "vanishing," "fleeting," or "temporary," which suggest something that is not able to last or endure. Using antonyms for a word like substantialized can be helpful in clarifying its meaning, as well as in finding more precise synonyms or related words.
