UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ɪkˈspænsɪv/US:USA pronunciation: IPA and respellingUSA pronuncation: IPA/ɪkˈspænsɪv/ ,USA pronunciation: respelling(ik spansiv)

WordReference Random House Learner's Dictionary of American English © 2020
ex•pan•sive /ɪkˈspænsɪv/USA pronunciation   adj. 
  1. having a wide range;
  2. cordially welcoming;
    outgoing: an expansive host.
  3. 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 © 2020
ex•pan•sive  (ik spansiv),USA pronunciation adj. 
  1. having a wide range or extent;
    extensive:expansive mountain scenery.
  2. (of a person's character or speech) effusive, unrestrained, free, or open:Our expansive host welcomed us warmly.
  3. tending to expand or capable of expanding.
  4. causing expansion:the expansive force of heat.
  5. Thermodynamicsworking by expansion, as an engine.
  6. Psychiatrymarked by an abnormal euphoric state and by delusions of grandeur.
ex•pansive•ly, adv. 
ex•pansive•ness, n. 
  • expans(ion) + -ive 1645–55
    • 2.See corresponding entry in Unabridged . sociable, extroverted, outgoing, genial, unreserved;
      gushy, gushing.

Collins Concise English Dictionary © HarperCollins Publishers::
expansive /ɪkˈspænsɪv/ adj
  1. able or tending to expand or characterized by expansion
  2. wide; extensive
  3. friendly, open, or talkative
  4. grand or extravagant

exˈpansiveness n
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