Vastly vs. Fastly: What's the Difference?
Vastly and Fastly Definitions
Vastly
Very great in size, extent, or quantity.
Fastly
In a secure or firm manner; securely
We tied the rope fastly this time; we didn't want it to get away again.
Vastly
Very great in scope or import
A vast improvement.
Fastly
(nonstandard) quickly
Vastly
An immense space.
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Fastly
Firmly; surely.
Vastly
Greatly, in a vast manner.
Vastly
To a vast extent or degree; very greatly; immensely.
Vastly
To an exceedingly great extent or degree;
He had vastly overestimated his resources
Was immensely more important to the project as a scientist than as an administrator
