Wiktionary
vb. To tie reliably.
Usage examples of "make fast".
One of the men crept across, and assisted Gonzaga to make fast his end.
This was thought best even though we could not make fast time on foot, especially with Ayllia, who walked to our control but must be cared for as a mindless, if biddable, child.
Other devices could make fast precise measurements of shape, size, mass, and other characteristics, passing them to computers which searched almost instantaneously through hosts of reference standards to determine what the data might mean.
Any diplomat who wanted to make fast money could make a small pile by smuggling drugs—.
All our merchies will be JNMTC units, so we should make fast passages, but we’.
All our merchies will be JNMTC units, so we should make fast passages, but we'll have a layover of at least thirty-six hours in Casca to transship cargo.