Having a capacity or tendency to expand or dilate; diffusive; of much expanse; wide- extending; as, the expansive force of heat; the expansive quality of air.
- Capable of expanding or tending to expand.
- Broad in size or extent; comprehensive: expansive police powers.
- Open and communicative; talkative or effusive: Wine made the guest expansive.
- Grand in scale: an expansive lifestyle.