Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)
Use "unvaluable" in a sentence
"If it is to dismiss a work of literature/art as unvaluable/irrelevant, don't we already do this by not attending it, or by not investing our desires and passions in it?"
"Of course, I am not saying that research is easy or unvaluable."
"Plus, I never really got my feet wet, so being a quitter easing out of Oxfam and taking my rather unvaluable self elsewhere surely won't be too hard."