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expand (v.)

early 15c., "spread out, open out, spread flat, extend widely;" also transitive, "cause to grow larger;" from Anglo-French espaundre, Old French espandre "spread, spread out, be spilled," and directly from Latin expandere "to spread out, unfold, expand," from ex "out" (see ex-) + pandere "to spread, stretch" (from nasalized form of PIE root *pete- "to spread"). Related: Expanded; expanding.

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Definitions of expand from WordNet

expand (v.)
extend in one or more directions;
The dough expands
Synonyms: spread out
expand (v.)
become larger in size or volume or quantity;
his business expanded rapidly
expand (v.)
make bigger or wider in size, volume, or quantity;
expand the house by adding another wing
expand (v.)
grow vigorously;
Synonyms: boom / thrive / flourish
expand (v.)
exaggerate or make bigger;
Synonyms: inflate / blow up / amplify
expand (v.)
add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing;
Synonyms: elaborate / lucubrate / expatiate / exposit / enlarge / flesh out / expound / dilate
expand (v.)
expand the influence of;
Synonyms: extend
From wordnet.princeton.edu