Loosen vs Unrivet - What's the difference?

As verbs the difference between loosen and unrivet

is that loosen is to make loose while unrivet is to remove or loosen the rivets of.

(en verb)

To make loose.

to loosen a knot

After the Thanksgiving meal, Bill loosened his belt.

* Francis Bacon

After a year's rooting, then shaking doth the tree good by loosening of the earth.

To free from restraint; to set at liberty.

* Dryden

It loosens his hands, and assists his understanding.

To remove costiveness from; to facilitate or increase the alvine discharges of.

(Francis Bacon)

* tighten

* loosen the apron strings * loosen the purse strings * loosener

(en verb)

To remove or loosen the rivets of.