/12 0 votes, 0 avg 3 Language skills The English Synonyms Quiz 1 / 12 Obsolete A) Recent B) Outdated C) Contemporary Obsolete means no longer in use or outdated. 2 / 12 Apathetic A) Energetic B) Indifferent C) Enthusiastic Apathetic means showing a lack of interest or enthusiasm. 3 / 12 Serene A)