— expansively , adv. — expansiveness , n.
/ik span"siv/ , adj.
1. having a wide range or extent; comprehensive; 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. working by expansion, as an engine.
6. Psychiatry. marked by an abnormal euphoric state and by delusions of grandeur.
[ 1645-55; EXPANS(ION) + -IVE ]
Syn. 2. sociable, extroverted, outgoing, genial, unreserved; gushy, gushing.