1.
If something is expansive, it covers or includes a large area or many things. (FORMAL)
...an expansive grassy play area...
They have played an expansive style of rugby.
ADJ: ADJ n
2.
If you are expansive, you talk a lot, or are friendly or generous, because you are feeling happy and relaxed.
He was becoming more expansive as he relaxed...
ADJ
• expansively
'I'm here to make them feel good,' he says expansively.
ADV: usu ADV with v
3.
If you describe something such as a period of time or an economy as expansive, you mean that it is associated with growth or expansion.
An active and expansive market economy is a necessary condition for progress.
ADJ: usu ADJ n