01 a. Having a capacity or tendency to expand or dilate; diffusive; of much expanse; wide-extending; as, the expansive force of heat; the expansi…
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1.
Having a capacity or tendency to expand or dilate; diffusive; of much expanse; wide-extending; as, the expansive force of heat; the expansive quality of air.“A more expansive and generous compassion.” — Eustace.“His forehead was broad and expansive.” — Prescott.
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2.
causing expansion; as, the expansive force of heat.
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3.
of much expanse; wide-extending; as, an expansive view of the mountains.
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4.
friendly, open, and unrestrained in conversation or discourse; -- of people; as, wine made the guest expansive.
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5.
characterized by exaggerated feelings of euphoria and delusions of grandeur.