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.