Improper and Lowdown

Improper adjective - Not appropriate for a particular occasion or situation.

Lowdown and improper are semantically related In some cases you can replace term "Lowdown" with "Improper", this adjectives are similar.

Nearby Word: improperly

Lowdown noun - Information not generally available to the public.

Improper and lowdown are semantically related in immoral topic. Sometimes you can use "Improper" instead an adjective "Lowdown", if it concerns topics such as cheap.