Low-down and Low

Low-down adjective - Not following or in accordance with standards of honor and decency.

Low is a synonym for low-down in mean topic. In some cases you can use "Low" instead an adjective phrase "Low-down", when it comes to topics like right, unpleasant, cheap, poor. popular alternative

Low adjective - Of the most contemptible kind.

Low-down is a synonym for low in right topic. You can use "Low-down" instead an adjective "Low", if it concerns topics such as depressed, rotten. informal substitute