from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Impossible to estimate or compute: inestimable damage. See Synonyms at incalculable.
- adj. Of immeasurable value or worth; invaluable: "shared all the inestimable advantages of being wealthy, good-looking, confident and intelligent” ( Doris Kearns Goodwin).
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Not able to be estimated; not able to be calculated, computed or comprehended, as because of great scale, degree or magnitude.
from the GNU version of the Collaborative International Dictionary of English
- adj. Incapable of being estimated or computed; especially, too valuable or excellent to be measured or fully appreciated; above all price.
from The Century Dictionary and Cyclopedia
- Not to be estimated or com puted; beyond measure.
- Of very great value or excellence: as, inestimable blessings.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. beyond calculation or measure
From French inestimable, from Latin inaestimābilis, from in ("un-”, “not") + aestimābilis ("estimable"). (Wiktionary)