- having a wide range or extent; comprehensive; extensive: expansive mountain scenery.
- (of a person's character or speech) effusive, unrestrained, free, or open: Our expansive host welcomed us warmly.
- tending to expand or capable of expanding.
- causing expansion: the expansive force of heat.
- working by expansion, as an engine.
- marked by an abnormal euphoric state and by delusions of grandeur.
- able or tending to expand or characterized by expansion
- wide; extensive
- friendly, open, or talkative
- grand or extravagant
- lacking restraint in the expression of feelings, esp in having delusions of grandeur or being inclined to overvalue oneself or one's work