This document provides definitions for 10 foreign words in English: - Achtung (Ger) means attention. An ad hominem (Lat) attack is directed against a person rather than their arguments. - Addendum (Lat) refers to an addition made to supplement something. Ad hoc (Lat) means for a particular purpose, such as a committee formed for a specific issue. - Ad infinitum (Lat) and ad nauseam (Lat) refer to something continuing indefinitely or to a disgusting degree, respectively.