Synonyms of costly in English:



  • 1 his work was published in small and costly editions
    expensive, dear, high-cost, high-priced, highly priced, overpriced, exorbitant, extortionate, immoderate, extravagant; lavish, rich, deluxe, choice, fine, exquisite; valuable, priceless, worth its weight in gold, worth a king's ransom; Britishupmarket, over the odds
    informal steep, pricey
    [Antonyms] cheap inexpensive
  • 2 in those weather conditions any mistakes could be costly
    catastrophic, ruinous, disastrous, calamitous, cataclysmic, devastating, crippling, crushing, fatal, lethal, damaging, harmful, injurious, deleterious, woeful, grievous, lamentable, dire, awful, terrible, unfortunate
    literary direful
    [Antonyms] beneficial
  • Definition of costly in:

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