അർത്ഥം : In a way that was not expected.
ഉദാഹരണം :
Her brother showed up at the wedding out of the blue.
പര്യായപദങ്ങൾ : out of the blue
അർത്ഥം : Without advance planning.
ഉദാഹരണം :
They met accidentally.
പര്യായപദങ്ങൾ : accidentally, by chance, circumstantially
With intention. In an intentional manner.
He used that word intentionally.