aporia (en)

(noun) an expression of real or pretended doubt or uncertainty especially for rhetorical effect / (noun) a logical impasse or contradiction / (noun) a radical contradiction in the import of a text or theory that is seen in deconstruction as inevitable

hermetic (en)

(of a seal or closure) complete and airtight

imbricated (en)

arranged (scales, sepals, plates, etc.) so that they overlap like roof tiles

vertiginous (en)

causing vertigo, especially by being extremely high or steep