Definitions
There are 2 meanings of the phrase
Out Of The Blue.
Out Of The Blue - as an adverb
In a way that was not expected
Example: "Her brother showed up at the wedding out of the blue"
Synonyms (Exact Relations)
unexpectedly27Out Of The Blue - as an adjective satellite
Not anticipated
Example: "Unanticipated and disconcerting lines of development"
Synonyms (Exact Relations)
unanticipated18unforeseen13unlooked-forunseen6Example Sentences
"He called me out of the blue to invite me to the party."
"I was just walking down the street when out of the blue it started raining."
"I received a job offer out of the blue."
"Karen's ex-boyfriend came back into her life out of the blue."
"A bird flew out of the blue and startled me."