that+creeps+upon+one+unawares
1insidious — a. 1. Artful, sly, wily, guileful, arch, crafty, cunning, subtle, intriguing, designing, deceitful, treacherous, crooked, trickish, tricky, foxy, snaky, diplomatic, Machiavelian. 2. Secret, deceptive, that creeps upon one unawares, delusively… …
2Battle of Arras (1917) — Infobox Military Conflict conflict=Battle of Arras partof=the Western Front of World War I caption=The Town Square, Arras, France. February, 1919. date=9 April to 16 May, 1917 place=France casus= territory= result=No final breakthrough achieved… …