Langimage
English

costly

|cost/ly|

B2

🇺🇸

/ˈkɔːstli/

🇬🇧

/ˈkɒstli/

expensive

Etymology
Etymology Information

'costly' originates from Middle English, specifically the word 'costli,' where 'cost' meant 'expense' and '-ly' was an adjective-forming suffix.

Historical Evolution

'costli' transformed into the modern English word 'costly' through Middle English.

Meaning Changes

Initially, it meant 'expensive or high-priced,' and this meaning has largely remained the same in modern usage.

Meanings by Part of Speech

Adjective 1

involving great expense; high-priced; expensive.

The repairs turned out to be more costly than expected.

Synonyms

Antonyms

Adjective 2

causing loss or disadvantage; detrimental.

His costly mistake led to the team's defeat.

Synonyms

Antonyms

Last updated: 2025/01/11 11:35