in·valu·able
(ˌ)in-ˈval-yə-bəl
-yə-wə-bəl,
-yü(-ə)-bəl
: valuable beyond estimation : priceless
providing invaluable assistance
invaluableness
noun
in·valuableness
"+
: the quality or state of being invaluable
Love words? Need even more definitions?
Merriam-Webster unabridged



