priceless

adj

1. (literally, not-comparable, rare)Without a price assigned; unpriced.
2. (broadly, literally, not-comparable)So precious as not to be obtainable or sold at any price.

   “For he the night before in Tarquins Tent, / Vnlockt the treaſure of his happie ſtate: / VVhat priſeleſſe vvealth the heauens had him lent, / In the poſſeſſion of his beauteous mate.”

   “Shall giue Theodoret to vnderſtand, / His ignorance of the prizeleſſe Ievvell, vvhich / He did poſſeſſe in you, mother in you, […]”

   “Tutor of Athens! he, in every Street, / Dealt priceleſs Treaſure: Goodneſs his Delight, / VViſdom his VVealth, and Glory his Revvard.”

   “Mario told me of a hotel in which he had been, where a chambermaid stole a priceless diamond ring from an American lady. […] The chambermaid had a lover in the bakery, and he had baked the ring into a roll, where it lay unsuspected until the search was over.”

   “DeepMind, the British company discussed in chapter 2, was sold to Google for £400 million in 2014 without even a golden share for government. It is now priceless, almost certainly not for sale at any price.”

3. (archaic, broadly, literally, not-comparable)Of no value; valueless; worthless.

   “VVhen ſome ſhall ſay, Faire once my Silvia vvas; / Thou vvilt complaine, Falſe novv's thy Looking-glaſſe: / VVhich renders that quite tarniſht vvᶜʰ vvas green, / And Priceleſs novv, vvhat Peerleſs once had been: / Upon thy Forme more vvrinkles yet vvill fall, / And comming dovvne, ſhall make no noise at all.”

   “[H]e thought of his late friendship with anger and held it cheap, a priceless imitation for which perhaps he had given a pure jewel in stupid exchange.”

4. (comparable, figuratively)Held in high regard; treasured.

   “I do not hope that any love and duty I may render in return, will ever make me worthy of your priceless confidence; […]”

   “If we part I shall be tormented by remorse at not having married. If we marry I shall spend my life mentally kicking myself for having so carelessly given up priceless liberty.”

   “Alan Pardew's current squad has been put together with a relatively low budget but the resolve and unity within the team is priceless.”

5. (comparable, figuratively, informal)Absurd; ridiculous.

   ““You son of a bitch,” she exploded. “You talk. You, of all people. You. That’s priceless.””

   “Where the concrete approach of the realistic nationalists eventually led them is illustrated by the priceless story of how Charles Maurras had “the honor and pleasure,” after the defeat of France, of falling in during his flight to the south with a female astrologer who interpreted to him the political meaning of recent events and advised him to collaborate with the Nazis.”

   ““Duty, har, har,” Simon laughed, as if some laughing machine had been wound up inside him. “Laura would love that. Jesus, that’s priceless; he’s good on propaganda. Duty! God, Laura will love that when she comes.””

6. (comparable, figuratively, informal)Very amusing; hilarious.

   “Paul laughed heartily and said she was priceless, but Hannah remained so contritely straight-faced that his laughter sounded to himself as if it had just a trace of incipient madness in it, and he suddenly sobered, blinking rapidly.”

   “Hell, those jacks was laughing and laughing like to wet themselves. Even Ernst had a smile on his face, shaking his head like he ain’t believed what he just seen. ‘Aw, Sid,’ Chip gasped. ‘Holy hell, Sid, you priceless.’”

7. (comparable, figuratively, informal, ironic, often)Excellent; fantastic; wonderful.

   ““And have you had a lovely evening?” / “Oh, priceless,” I said.”

   “Hey! Wait! I got a new complaint / Forever in debt to your priceless advice”