Word.ws English Dictionary

costless

costless adjective: having no cost, or at least no cost paid for at the point of sale.

Adjective

costless (not comparable)

  1. Having no cost, or at least no cost paid for at the point of sale.
    Antonyms:
    costful, costly

Synonyms of costless

Antonyms

All synonyms and antonyms of costless

Origin of costless

From cost + -less. Compare Dutch kosteloos (“costless, free”).

Words formed from costless

Questions about costless

What does costless mean?
Costless means having no cost, or at least no cost paid for at the point of sale.
What part of speech is costless?
Costless is an adjective.

Words near costless in the dictionary

  1. Costins
  2. costive
  3. costively
  4. costiveness
  5. Costișa
  6. costless
  7. costlessly
  8. costlessness
  9. Costley
  10. Costleys
  11. costlier

Source and license

Adapted from Wiktionary: costless (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “costless.” Word.ws, https://word.ws/costless. Based on Wiktionary, CC BY-SA 4.0.