stöðugra
Stöðugra is the inflected form of the Icelandic adjective stöðugur, meaning stable or steady. It expresses a comparative sense, roughly aligning with “more stable.” In standard Icelandic, the common comparative form is stöðugri; stöðugra appears in specific grammatical contexts, notably as the genitive singular masculine/neuter form of stöðugur, and it is also encountered in older texts or in more formal registers. The form can occur in compound terms or in phrases where a noun phrase governs a genitive structure.
The adjective stöðugur itself derives from a root related to stability and steadiness, and it is used
In modern Icelandic, speakers generally prefer stöðugri for direct comparisons, reserving stöðugra for inflectional contexts, dialectal