Synonyms of costly in English:

costly

adjective

  • 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;
    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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    Word of the day oleaginous
    Pronunciation: ˌəʊlɪˈadʒɪnəs
    adjective
    rich in, covered with, or producing oil; oily