See inestimable in Webster's New World Roget's A-Z Thesaurus II
adjective
Of great value:
costly, invaluable, precious, priceless, valuable, worthy. Idioms: beyond price, of great price. See valueToo great to be calculated:
countless, immeasurable, incalculable, incomputable, infinite, innumerable, measureless, uncountable. See big
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