We found 1 Antonyms for Substantial

Antonym Len.
Insubstantial 13
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What are Antonyms?

Understanding Antonyms is crucial for mastering the art of language. The word, Substantial, for example, has 1 word(s) that mean the opposite, these types of words are known as Antonyms.

Knowing what substantial means and knowing the antonyms enhances your ability to express contrast and build more nuanced sentences.