Simple past tense and past participle of overprize.(verb)
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Use "overprized" in a sentence
"Ares I is a far better choice than pouring billions into using the overprized/underperforming Delta/Atlas launchers which ULA no longer bothers to try to sell to commercial operators (which instead prefer Ariane or Soyuz)."
"And 155 EUR really does not seem overprized to me."
"Pff, who told You to buy that overprized house anyway?"