Definition of expansive (adjective)
- able or tending to expand or characterized by expansion
- "Expansive materials"; "the expansive force of fire"
- antonym: unexpansive
- of behavior that is impressive and ambitious in scale or scope
- marked by exaggerated feelings of euphoria and delusions of grandeur
- friendly and open and willing to talk
- "wine made the guest expansive"
- synonyms: talkative
Source: Princeton University Wordnet