irrelevancy

Unable to capitalize on the PC boom that began in the mid-eighties, it also found itself largely on the outside of the portable device revolution of the aughts and drifting toward irrelevancy.

In fact, she may have gone from a venerable fashion icon to a new irrelevancy almost overnight.

The irrelevancy of this detail gives Lætitia an excuse for waiving the cab-question, on which her position is untenable.

The very irrelevancy of the statement, coupled with her calm serenity, was appalling to the old man.