Improper and One-sided

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

One-sided and improper are semantically related. In some cases you can use "One-sided" instead an adjective "Improper".

Nearby Word: improperly

One-sided adjective - Inclined to favor one side over another.

Improper and one-sided are semantically related. Sometimes you can use "Improper" instead an adjective phrase "One-sided".