Pronunciation: /aʊt ʌv ðə bluː/
noun a sudden and unexpected event or situation
A1 I was walking in the park when, out of the blue, it started raining.
A2 Out of the blue, my friend called me with exciting news.
B1 The promotion at work came out of the blue, but I was thrilled.
B2 Out of the blue, she received a scholarship to study abroad.
C1 The company's decision to downsize came completely out of the blue.
C2 Out of the blue, he proposed to her in the most romantic way possible.
adverb unexpectedly or suddenly
A1 I received a gift out of the blue.
A2 The phone rang out of the blue.
B1 She decided to quit her job out of the blue.
B2 The promotion came out of the blue.
C1 The news of their engagement came out of the blue.
C2 The decision to move abroad was made out of the blue.
formal The CEO's resignation announcement came out of the blue, surprising everyone in the company.
informal I haven't seen Sarah in years, but she called me out of the blue yesterday.
slang I was just chilling at home when my friend showed up out of the blue.
figurative The idea for the new product design came to me out of the blue while I was taking a walk.
came out of the blue
out of the blues
more out of the blue
most out of the blue
comes out of the blue
will come out of the blue
has come out of the blue
is coming out of the blue
out of the blue
as out of the blue as possible
to come out of the blue
coming out of the blue
out of the blue