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out of the blue
/aʊt əv ðə bluː/◆idiom
suddenly and unexpectedly
She received a job offer out of the blue.
She was unexpectedly offered a job.
informal
happening suddenly and without warning; unexpectedly
The news came out of the blue and shocked everyone.
The news arrived suddenly and shocked everyone.
He showed up at my door out of the blue after ten years.
He appeared at my door unexpectedly after a decade.
Used to describe events or actions that occur without prior indication or preparation.
Collocations
come out of the blueto happen suddenlyappear out of the blueto show up unexpectedly
Antonyms
Related Phrases
Pro Tip
Contextual Usage
Use 'out of the blue' to emphasize the unexpected nature of an event. For example, 'He quit his job out of the blue' implies his resignation was sudden and unanticipated.
Gold Rule
Idiom vs. Literal Meaning
Never interpret 'out of the blue' literally. It does not refer to the color blue or the sky but metaphorically to something appearing suddenly and without warning.
Word Origin
The phrase originates from the idea of something appearing from the clear sky (blue), where 'blue' symbolizes the sky. The idiom suggests an event materializing from nowhere, much like a bolt from the blue.
Usage Notes
This idiom is commonly used in both spoken and written English to describe surprising or unforeseen events. It carries no negative connotation by itself, though the surprise may be positive or negative depending on context.
Word Breakdown
out of
from the midst of
prepositional phrasethe blue
the clear sky
noun phraseEnglish Dictionary