The meaning of EXPAND is to open up : unfold. How to use expand in a sentence. Synonym Discussion of Expand.

EXPANDED definition: increased in area, bulk, or volume; enlarged. See examples of expanded used in a sentence.

to increase in extent, size, scope, or volume: [no object] The balloon expanded until it burst. [~ + object] The heat expanded the metal. spread (out): [no object] The snake expanded to its full …

The air in the balloon expands when heated. They expanded their retail operations during the 1980s.

Definition of expand verb in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

1. To increase the size, volume, quantity, or scope of; enlarge: expanded her store by adding a second room. See Synonyms at increase. 2. To express at length or in detail; enlarge on: …

Master the word "EXPANDED" in English: definitions, translations, synonyms, pronunciations, examples, and grammar insights - all in one complete resource.

expanded definition: increased in extent or size or scope. Check meanings, examples, usage tips, pronunciation, domains, and related words. Discover expressions like "expanded form", …

This can apply to a wide variety of contexts, such as a business expanding its operations, a material expanding due to heat, or a discussion topic being expanded to cover more areas.

3 days ago · On Jan. 8, 2026, the U.S. House of Representatives voted to extend enhanced Affordable Care Act (ACA) subsidies, also known as the expanded premium tax credit (ePTC), …