Used in an exaggeration of its normal meaning, to imply total incomprehensibility. "The reason for that last crash is obscure." "The find(1) command's syntax is obscure!" The phrase moderately obscure implies that something could be figured out but probably isn't worth the trouble. The construction obscure in the extreme is the preferred emphatic form.
[glossary]
[Reference(s) to this entry by made by: {gnarly}{in the extreme}{job security}{runic}{unixism}{voodoo programming}]