Don't be blue
Suddenly/ unexpectedly
Out of the blue
U.S. state that is home to Portland and Kennebunk; and the country where you’ll find Madrid and Barcelona
Maine and Spain
This safety device was first introduced in American cars in the mid-1970s
Airbag
Court proceeding . . . and a mistake
Trial and error
Happening very rarely
Once in a blue moon
U.S. state that is home to Lincoln and Omaha; and the U.S. state that is home to Juneau and Fairbanks
Nebraska and Alaska
A small, doughnut-shaped roll
Bagel
A method of curing meat . . . and reflective glass fixtures
Smoke and mirrors
Creative or imaginative ideas that are not limited by practical considerations
Blue sky thinking
A US city which is the birthplace of gospel, electric blues and house music and the capital and largest city of Chile
Chicago and Santiago
A person who talks and talks and talks, but says little of value
Windbag
"Stop" to a film director . . . and arid
cut and dry
The highest prize in a competition or event
Blue ribbon
The US state where the Grand Canyon and the Petrified Forest are located and the city where Shakespeare's "Romeo and Juliet" is set
Arizona and Verona
Nickname for a wealthy person
Moneybags
Light complexion . . . and a rectangle with four equal sides
Fair and square
To edit especially by shortening or deletion
Blue pencil
The US state where jazz was born and the US state known as "The Last Best Place"
Louisiana and Montana
Northerners who went South after the Civil War to profit from the unsettled conditions during Reconstruction
Carpetbaggers
The opposite of multiply . . . and to vanquish
Divide and conquer