Invaluable

Something that is invaluable is so important or helpful that you can't really put a price on it. It’s like a best friend or a family member who always supports you.

Examples

• My teacher told us that learning to read can be invaluable because it helps us understand the world better and enjoy stories from different cultures and times.
• When I was working on my science project, my dad's advice about how to conduct experiments proved invaluable and helped me earn a top grade in class.
• During the history lesson, we discovered that the diaries of famous people can be invaluable for understanding their thoughts and feelings during important events in our past.

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Antonyms