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blue devils
feelings of sadness or depression
Blue Lives Matter
A phrase supporting the value of police officers.
blue moon
a very long period of time
blue note
a note played at a slightly lower pitch.
blue ribbon
an award for first place.
blue state
a state that predominantly supports Democrats
blue wall of silence
police protection of fellow officers
blue-eyed boy
a favored or cherished person.
blue-sky thinking
Creative, unrestricted ideas.
blueberry
Small, round, blue-purple edible fruit.
bluebird
a small singing creature with azure feathers
bluebird of happiness
symbol of joy and contentment.
bluegrass
A genre of music rooted in American folk traditions.
blueprint
藍圖
blues
藍調
Bluetooth
a technology for wireless data transfer
bluff
a steep cliff or bank
bluish
Having a slight blue color or tint.
blunder
A careless mistake or error.
blunt
Not sharp or pointed.
bluntly
In a direct and straightforward manner.
blur
To make something unclear or indistinct.
blur the line
to make boundaries unclear or confusing
blurb
A short promotional description.