not intentional; "an unintended slight"; "an unintentional pun"; "the offense was unintentional"; "an unwitting mistake may be overlooked"
Something that is unintentional is not done deliberately, but happens by accident. Perhaps he had slightly misled them, but it was quite unintentional There are moments of unintentional humour. = inadvertent + unintentionally un·in·ten·tion·al·ly an overblown and unintentionally funny adaptation of `Dracula'. a scientist who unintentionally absorbed a small quantity of the mind-altering drug through the skin on his fingers. not done deliberately