Definition

Something that requires a lot of money to buy or maintain; it can also mean something that causes a significant loss or sacrifice.

Example

The repairs for the old car were quite costly.

Comparatives & Superlatives

Conversation

Have you seen that new restaurant downtown?

Yeah, I heard it's pretty costly for a meal.

I guess some places just have higher prices for the atmosphere.

True, but I wonder if the food is really worth the costly menu.

Synonyms & Antonyms

Root Explanation

Costly → It is formed from "cost" (from Old French *coste*, meaning expense or price) and "-ly" (meaning in a manner of). The word "costly" means in a manner that involves a significant expense or price.

Memory Tip

Think of the word 'cost' which relates to expense, and remember that 'costly' means something that is expensive or involves a high price.

Visually Confused Words