This article is about the specific phobia. For other uses, see Arachnophobia (disambiguation) . Arachnophobia or arachnephobia (from the Greek: ἀράχνη, arachnē, aráchnē spider and, φόβος, phobos) phóbos fear is a, specific phobia the fear of spiders and other arachnids such. as scorpionseople with arachnophobia tend to feel uneasy in any area they believe could harbor spiders or that has visible signs of their presence, such as webs.