Expand your English vocabulary with fun, video flash cards! The word “costly” means it costs a lot of money or causes a big loss. For example: Forgetting to study for the test was a costly mistake — now Liam has to miss the movie to do extra homework!
Perfect your pronunciation with the video below and add this card to your playlist using the + button. Whether you’re learning for school, work, or travel, flash cards make English easy and enjoyable. Learn, share, and grow your skills! 😎