From Icelandic Parsed Historical Corpus (IcePaHC)
This tag is used for the following:
HVÍLÍKUR, SLÍKUR, SVODDAN (SODAN), ÞVÍLÍKUR
SUCH in PPCME/PPECME
These words are all degree modifiers of a type (see also ADVR), and they can also occasionally introduce comparative clauses (see CP-CMP and CP-ADV).