Adjective
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friendly and open and willing to talk
"wine made the guest expansive"
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marked by exaggerated feelings of euphoria and delusions of grandeur
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of behavior that is impressive and ambitious in scale or scope
"an expansive lifestyle"
"in the grand manner"
"collecting on a grand scale"
"heroic undertakings"
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able or tending to expand or characterized by expansion
"Expansive materials"
"the expansive force of fire"