- Home
- Idioms
- into the blue
into the blue
into the blue
Completely gone or disappeared; entirely out of sight or reach; without a trace. (Usually preceded by "vanish" or some similar verb.) The brutal dictatorship was so mercilessly efficient that anyone who stood up against it soon vanished into the blue. I have no idea where my keys have gone. They seem to have disappeared into the blue!
into the blue
At a far distance; into the unknown: spontaneously take a trip into the blue.