An inadvertent action is one that you do without realizing what you are doing. The government has said it was an inadvertent error. = unintentional deliberate + inadvertently in·ad·vert·ent·ly I inadvertently pressed the wrong button. = accidentally
without intention (especially resulting from heedless action); "with an inadvertent gesture she swept the vase off the table"; "accidental poisoning"; "an accidental shooting"