Expressions (phrases, clauses, etc.), Noun or verb acting prenominally
harmless (remark, topic, etc.); inoffensive; safe; bland; neutral (attitude); noncommittal (reply)
とりあえず、あたりさわりのない話をしておいたよ。I steered clear of sensitive topics.
Also written 当たり障りの無い【あたりさわりのない】