[ in-di-tur-muh-nuh-buh l ]
/ ˌɪn dɪˈtɜr mə nə bəl /


not determinable; incapable of being ascertained.
incapable of being decided or settled.

Origin of indeterminable

From the Late Latin word indēterminābilis, dating back to 1480–90. See in-3, determinable
Related formsin·de·ter·mi·na·ble·ness, nounin·de·ter·mi·na·bly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for indeterminable

British Dictionary definitions for indeterminable


/ (ˌɪndɪˈtɜːmɪnəbəl) /


incapable of being ascertained
incapable of being settled
Derived Formsindeterminableness, nounindeterminably, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for indeterminable



late 15c., from Late Latin indeterminabilis "that cannot be defined," from in- "not" (see in- (1)) + determinabilis, from determinare (see determine).

Online Etymology Dictionary, © 2010 Douglas Harper