say it: uh-KYOOT-nuhs
acuteness is a noun meaning "a sensitivity that is keen and highly developed". It carries 3 recorded senses.
a sensitivity that is keen and highly developed
“dogs have a remarkable acuteness of smell”
a quick and penetrating intelligence
“he argued with great acuteness”
“I admired the keenness of his mind”
the quality of having a sharp edge or point
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for acuteness come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.