(informal)
25B6; adjective a higgledy-piggledy pile of papers : DISORDERED, disorderly, disorganized, untidy, messy, chaotic, jumbled, muddled, confused, unsystematic, irregular; out of order, in disarray, in a mess, in a muddle, haphazard; informal all over the place; Brit. informal shambolic.
tidy.
25B6; adverb the cars were parked higgledy-piggledy : IN DISORDER, in a muddle, in a jumble, in disarray, untidily, haphazardly, anyhow; informal all over the place, topsy-turvy, every which way, any old how; Brit. informal all over the shop; N. Amer. informal all over the map, all over the lot.