expansive

1. Able or tending to expand or characterized by expansion (synset 300949706)
   "Expansive materials"; "the expansive force of fire"
   similar to:

   • distensible - capable of being distended; able to stretch and expand
   • cavernous, erectile - filled with vascular sinuses and capable of becoming distended and rigid as the result of being filled with blood
   • expandable, expandible, expansible - able to expand or be expanded
   • inflatable - designed to be filled with air or gas
2. Of behavior that is impressive and ambitious in scale or scope (synset 301287636)
   "an expansive lifestyle"; "in the grand manner"; "collecting on a grand scale"; "heroic undertakings"
   similar to: impressive - making a strong or vivid impression
   same as: grand, heroic
3. Marked by exaggerated feelings of euphoria and delusions of grandeur (synset 300912303)
   referred to in: psychiatry, psychological medicine, psychopathology - the branch of medicine dealing with the diagnosis and treatment of mental disorders
   similar to: euphoric - exaggerated feeling of well-being or elation
4. Friendly and open and willing to talk (synset 300498983)
   "wine made the guest expansive"
   similar to: communicative, communicatory - able or tending to communicate
   same as: talkative

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