అర్థం : In a way that was not expected.
ఉదాహరణ :
Her brother showed up at the wedding out of the blue.
పర్యాయపదాలు : out of the blue
అర్థం : Without advance planning.
ఉదాహరణ :
They met accidentally.
పర్యాయపదాలు : accidentally, by chance, circumstantially
With intention. In an intentional manner.
He used that word intentionally.Unexpectedly meaning in Telugu.