óþarfslegs
The Icelandic word "óþarfslegs" is the genitive singular masculine/neuter form of the adjective "óþarfa". It translates to "unnecessary" or "superfluous". The root of the word is "þörf", meaning "need". The prefix "ó-" negates this, creating "óþörf" (unneeded). Adding the suffix "-legs" makes it an adjective, and the genitive ending indicates possession or a relationship.
"Óþarfslegs" would be used in a sentence to describe something that is not required or is in