costly

adjective cost·ly \ ˈkȯs(t)-lē \
Updated on: 14 Nov 2017

Definition of costly

costlier; costliest
1 a : commanding a high price especially because of intrinsic worth
  • costly gems
b : rich, splendid
2 : made or done at heavy expense or sacrifice
  • a costly mistake

costliness

noun

Examples of costly in a Sentence

  1. We use less costly materials in our products.

  2. It was too costly to fix her car after the accident, so she decided to buy a new car instead.

  3. They won the game, but their best player was injured, so it was a costly victory.

  4. The decision to wait could be a costly mistake.

Recent Examples of costly from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'costly.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of costly

14th century


COSTLY Defined for English Language Learners

costly

adjective

Definition of costly for English Language Learners

  • : having a high price : costing a lot

  • : causing people to lose something or to suffer


COSTLY Defined for Kids

costly

adjective cost·ly \ ˈkȯst-lē \

Definition of costly for Students

costlier; costliest
1 : having a high price or value : expensive
2 : causing loss or suffering
  • a costly mistake


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