Ataractic drug and Antianxiety drug

Ataractic drug noun - A drug used to reduce stress or tension without reducing mental clarity.

Antianxiety drug and ataractic drug are semantically related. In some cases you can replace phrase "Antianxiety drug" with "Ataractic drug", this phrases are similar.

Antianxiety drug noun - A tranquilizer used to relieve anxiety and reduce tension and irritability.

Ataractic drug and antianxiety drug are semantically related. You can use "Ataractic drug" instead a noun phrase "Antianxiety drug".