If you describe something as ill-timed, you mean that it happens or is done at the wrong time, so that it is damaging or rude. He argued that the tax cut was ill-timed. = inopportune. happening, done, or said at the wrong time well-timed
badly timed; "an ill-timed intervention"; "you think my intrusion unseasonable"; "an untimely remark"; "it was the wrong moment for a joke"