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WordReference Random House Learner's Dictionary of American English © 2024ex•pan•sive /ɪkˈspænsɪv/USA pronunciation adj. - having a wide range;
extensive. - cordially welcoming;
outgoing: an expansive host. - tending to expand or capable of expanding;
causing expansion: the expansive force of heat.
ex•pan•sive•ness, n. [uncountable]See -pand-. WordReference Random House Unabridged Dictionary of American English © 2024ex•pan•sive (ik span′siv),USA pronunciation adj. - having a wide range or extent;
comprehensive;
extensive:expansive mountain scenery. - (of a person's character or speech) effusive, unrestrained, free, or open:Our expansive host welcomed us warmly.
- tending to expand or capable of expanding.
- causing expansion:the expansive force of heat.
- Thermodynamicsworking by expansion, as an engine.
- Psychiatrymarked by an abnormal euphoric state and by delusions of grandeur.
- expans(ion) + -ive 1645–55
- 2.See corresponding entry in Unabridged . sociable, extroverted, outgoing, genial, unreserved; gushy, gushing.
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