Nonnonsense

This is a highly technical term that is used by philosophers to talk nonsense, and I didn’t think what he was saying was at all nonsense. But I was not quite sure what kind of nonnonsense it was!

Source: wiktionary

Rene has played wonderfully a nonnonsense security chief, comic foil to Shirmerman but has also convincingly played a betrayer.

Source: wiktionary

A defective sentence like / *Shakespeare writed gooder than Fletcher / has a recoverable unified meaning despite its ungrammaticality (in each case morphotactic to lexical realization errors). / With this reservation, what distinguishes nonsense from nonnonsense?

Source: wiktionary

I have picked up this Teach Yourself Astrology by Jeff Mayo. It seems like a good nonnonsense book.

Source: wiktionary