What does “blue” mean?
- 1
adjectivehaving the color of a clear sky
She has bright blue eyes.
- 2
adjectiveinformal: sad
I’ve been feeling a little blue lately.
Blue at a glance
- Part of speech
- adjective
- CEFR level
- A1 (beginner)
- Pronunciation
- /blu/ · BLOO
How to use “blue” correctly
“Out of the blue” means suddenly and unexpectedly: “He called me out of the blue.”
Common phrases with “blue”
- dark blue
- light blue
- out of the blue
Idioms with “blue”
- Once in a blue moon: Very rarely.
- Black and blue: Covered in bruises.
- A bolt from the blue: Something completely unexpected and sudden, often surprising news.
“blue” is on these word lists
Learn these words next
- bad adjectiveA1not good or not pleasant
- beautiful adjectiveA1very attractive or pleasant to look at, hear or experience
- fine adjectiveA1healthy, well or acceptable
- good adjectiveA1of high quality, pleasant or enjoyable
- great adjectiveA1very good or enjoyable
- happy adjectiveA1feeling pleased, glad or enjoying life
- interesting adjectiveA1making you want to know more or pay attention
- nice adjectiveA1pleasant, enjoyable or attractive