Use 'inestimable' to express value that can't be quantified, especially in emotional or intellectual contexts. Her guidance had an inestimable impact on my personal growth.
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Beyond Numbers
'Inestimable' often applies to things that numbers can't describe, like beauty, friendship, or life itself. The inestimable beauty of the natural world captivates all who witness it.
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Positive Connotation
'Inestimable' generally carries a positive tone, suggesting admiration or high regard. Volunteers provide inestimable support during the city's cultural festival.