Multiple choice general knowledge Fear of dryness. Xylophobia Xyrophobia Walloonphobia Xerophobia Reveal answer Fill a bubble to check yourself D Correct answer Explanation Xerophobia is the fear of dryness or dry conditions. The prefix 'xero-' means dry. Xylophobia and xyrophobia both refer to fear of wooden objects or forests. Walloonphobia is unrelated (fear of Walloons/Belgian people).