1.
If something such as a decision or an arrangement is ~, it is firm and clear, and unlikely to be changed.
It’s too soon to give a ~ answer...
Her Royal Highness has ~ views about most things...
She made no ~ plans for her future.
ADJ
2.
Definite evidence or information is true, rather than being someone’s opinion or guess.
We didn’t have any ~ proof...
ADJ: usu ADJ n
3.
You use ~ to emphasize the strength of your opinion or belief.
There has already been a ~ improvement...
That’s a very ~ possibility.
= real
ADJ: ADJ n emphasis
4.
Someone who is ~ behaves or talks in a firm, confident way.
Mary is very ~ about this.
ADJ