Substantial

Substantial means something that is big, important, or has a lot of value, like a large piece of cake or a big accomplishment.

Examples

• The science project we worked on together had a substantial impact on how we understood the water cycle.
• After studying for weeks, I felt a substantial improvement in my math skills before the big test.
• The library has a substantial collection of books that can help us learn about different countries and cultures.

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Antonyms