klyftig

Swedish

klyfta +‎ -ig, from the verb klyva (“to cleave”), also in the sense of distinction, ability to tell things apart; from Middle Low German klüftich, klüchtich; compare English skill and its relationship to Swedish skilja

klyftig (comparative klyftigare, superlative klyftigast)

(archaic) clifty, full of clefts and cracks, like a cleft or crack (of a mountain)
clever, bright, smart, intelligent

Inflection of klyftig
Indefinite	Positive	Comparative	Superlative²
Common singular	klyftig	klyftigare	klyftigast
Neuter singular	klyftigt	klyftigare	klyftigast
Plural	klyftiga	klyftigare	klyftigast
Masculine plural³	klyftige	klyftigare	klyftigast
Definite	Positive	Comparative	Superlative
Masculine singular¹	klyftige	klyftigare	klyftigaste
All	klyftiga	klyftigare	klyftigaste
1) Only used, optionally, to refer to things whose natural gender is masculine. 2) The indefinite superlative forms are only used in the predicative. 3) Dated or archaic