INAPPRECIABLE
Source: 566, 567
inappreciable. Inappreciable, a. not to be duly estimated
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In′ap‐pre″ci‐a‐ble (?), a. [[Pref. in- not + appreciable: cf. F. inappréciable.]] Not appreciable; too small to be perceived; incapable of being duly valued or estimated. Hallam.