Higgledy-piggledy and Unclassified

Higgledy-piggledy adjective - Lacking in order, neatness, and often cleanliness.

Unclassified and higgledy-piggledy are semantically related. In some cases you can replace term "Unclassified" with "Higgledy-piggledy", this terms are similar.

Unclassified adjective - Not arranged in any specific grouping.

Higgledy-piggledy and unclassified are semantically related. Sometimes you can use "Higgledy-piggledy" instead an adjective "Unclassified".