This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. Irrelevance.

n. The quality of being irrelevant or inapplicable; lack of pertinence or connection.

n. A thing that is irrelevant—having no bearing on the subject of discussion.

n. The quality of being irrelevant or inapplicable; want of pertinence or connection.

n. the lack of a relation of something to the matter at hand

"If the use of the grotesque was a strength of Browning (as Chesterton contends against other critics), so in the case of Thackeray that which some critics have held to be a weakness -- I mean his 'irrelevancy' -- is for our critic a strength."

relevancy   

unconnectedness   

immateriality    inapplicability   

relevancy   

pointlessness    ungratefulness    lifelessness    aimlessness    heartlessness    obliviousness    transitoriness    meaninglessness    casualness    staginess