あお Learn Unstarted Notes When used as an adjective, add an い to the end to make it あおい. Summary The Japanese translation for “blue” is あお. Practice Lesson "blue" Practice (1) Lesson Learn Lesson words blue etc. View all lesson words Lesson phrases This lesson has no phrases. Themed Courses Colours 1 Part of Speech Courses Adjectives 1 Acknowledgements Audio Google text-to-speech Image source https://pixabay.com/photos/water-swimming-pool-blue-103817/