1. Na-adjective (keiyodoshi), Suru verb, Intransitive verb

   bending; twisting; winding

2. hard to understand; unintelligible

3. Adverb taking the 'to' particle, Taru adjective

   stiff; stilted; awkward

   Formal or literary term

Also written 佶屈【きっくつ】kikkutsu