How to Pronounce "costliest"
word
ˈkɔstɫiɪst
KAWST-lee-ist
kˈɒsliəst
KOST-lee-uhst
Definition
“Costliest” is the superlative form of “costly” and means the most expensive or requiring the greatest cost.
IPA Transcription
American English
ˈkɔstɫiɪst
British English
kˈɒsliəst
Simplified Pronunciation
US
KAWST-lee-ist
UK
KOST-lee-uhst
Listen in Context
This is the costliest dress in the store.
Out of all the cars, his was the costliest.
The costliest option is not always the best.
That was one of the costliest mistakes in company history.