Low-down and Lowest

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

Lowest is a synonym for low-down in despicable topic. In some cases you can use "Lowest" instead an adjective phrase "Low-down".

Lowest adjective - Being the least in amount, number, or size possible.

Low-down is a synonym for lowest. Sometimes you can use "Low-down" instead an adjective "Lowest".