incapable of being estimated or assessed.
too large or great to be estimated or appreciated: The flood caused inestimable damage.
of incalculable value; valuable beyond measure; priceless: jewels of inestimable worth.
Origin: 1350–1400; Middle English Related forms
< Latin inaestimābilis.
in·es·ti·ma·bil·i·ty, in·es·ti·ma·ble·ness, noun
is always a great word to know.
So is flibbertigibbet. Does it mean: