Excellent, wonderful, fantastic.
Treasured; held in high regard.
Without a price assigned.
Very amusing, hilarious.
Ridiculous, absurd, rich.
So precious as not to be sold at any price; invaluable.
Formidable, powerful.
Intense; extreme in degree or extent.
Dreadful; causing terror, alarm and fear; awesome
Unpleasant; disagreeable.
Very bad; lousy.
In a terrible way; to a terrible extent; terribly; awfully.