American English pronunciation
How to pronounce costliest
IPA transcription: ['kɔstliɪst]
Hear “costliest” pronounced
['kɔstliɪst]
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['kɔstliɪst]
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['kɔstliɪst]
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Adjective
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having a high price
“costly jewelry”
“high-priced merchandise”
“much too dear for my pocketbook”
“a pricey restaurant”
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entailing great loss or sacrifice
“a dearly-won victory”