[ in-di-fen-suh-buhl ]
/ ˌɪn dɪˈfɛn sə bəl /


not justifiable; inexcusable: indefensible behavior.
incapable of being protected or defended against attack: an indefensible town.
incapable of being defended against criticism or denial; untenable: indefensible argument.

Origin of indefensible

First recorded in 1520–30; in-3 + defensible

OTHER WORDS FROM indefensible

in·de·fen·si·bil·i·ty, in·de·fen·si·ble·ness, nounin·de·fen·si·bly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for indefensible

British Dictionary definitions for indefensible

/ (ˌɪndɪˈfɛnsəbəl) /


not justifiable or excusable
capable of being disagreed with; untenable
incapable of defence against attack

Derived forms of indefensible

indefensibility or indefensibleness, nounindefensibly, 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