chineffable Share definition Flag Chineffable definition: too ineffable that you have too add two letter before ineffable. JONNY:Hey dude, I've got the most chineffable news ever. JAMES:What? JONNT: I'VE GOT A PUPPY! chineffable by WordMasterBITW June 1, 2017 0 0 Get merch Get the chineffable mug. Buy Now — $32.95 See more merch