Word.ws English Dictionary

costly

UK/ˈkɒst.li/

costly adjective: of high cost; expensive. Also the abbreviation of costly colours.

Adjective

costly (comparative costlier or more costly, superlative costliest or most costly)

  1. Of high cost; expensive.
    • a costly activity
    • a costly error

Also used as

costly is also the abbreviation of costly colours.

costly meaning in Sanskrit

costly in Sanskrit

expensive
बहुमूल्य bahumūlya, महार्घ mahārgha

Examples of costly in a sentence

  • Individual mistakes proved costly for Wigan who, particularly after the half-time introduction of Hugo Rodallega, dominated for long periods.2011 October 15, Michael Da Silva, “Wigan 1 - 3 Bolton”, in BBC Sport:
  • Since sexual relationships are more costly for female primates – they bear the kids – females are the choosier sex.2012 March 2, Elizabeth Landau, “Beholding beauty: How it’s been studied”, in CNN:

All 40 example sentences with costly

Synonyms of costly

Antonyms

Forms of costly

comparativecostlier
comparativemore costly
superlativecostliest
superlativemost costly

Origin of costly

From Middle English costly, costely, costeley, equivalent to cost + -ly.

Words formed from costly

Phrases with costly

Questions about costly

What does costly mean?
Costly means of high cost; expensive.
What is costly in Sanskrit?
Costly in Sanskrit is बहुमूल्य (bahumūlya), महार्घ (mahārgha). See Costly meaning in Sanskrit.
How do you use costly in a sentence?
Individual mistakes proved costly for Wigan who, particularly after the half-time introduction of Hugo Rodallega, dominated for long periods.
What part of speech is costly?
Costly is an adjective.
How do you pronounce costly?
Costly is pronounced /ˈkɒst.li/ (UK).

Words near costly in the dictionary

  1. costlily
  2. costliness
  3. costlinesses
  4. Costlow
  5. Costlows
  6. costly
  7. costly colors
  8. costly colours
  9. costmaries
  10. costmary
  11. Costner

Source and license

Adapted from Wiktionary: costly (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.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: en-us-costly.ogg.

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