priceless

Of inestimable worth; invaluable.

Highly amusing, absurd, or odd.

Too valuable to be priced; beyond price; invaluable.

Without value; worthless or unsalable.

Too valuable to admit of being appraised; of inestimable worth; invaluable.

Of no value; worthless.

So precious as not to be sold at any price.

Treasured; held in high regard.

Hilariously amusing.

Of no value; worthless.