Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

costly

play
adjective cost·ly \ˈkȯs(t)-lē\

Simple Definition of costly

  • : having a high price : costing a lot

  • : causing people to lose something or to suffer

Source: Merriam-Webster's Learner's Dictionary

Full Definition of costly

costliercostliest

  1. 1 a :  commanding a high price especially because of intrinsic worth <costly gems> b :  rich, splendid

  2. 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.



14th Century

First Known Use of costly

14th century

Rhymes with costly


COSTLY Defined for Kids

costly

play
adjective cost·ly \ˈkȯst-lē\

Definition of costly for Students

costliercostliest

  1. 1 :  having a high price or value :  expensive

  2. 2 :  causing loss or suffering <a costly mistake>





Seen and Heard

What made you want to look up costly? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to eat gluttonously or ravenously

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image567572573

Which of these is a synonym of unctuous?

maudlin oily angry prompt
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ