Definition of "inexcusable" []

• Impossible to excuse or justify; unpardonable: inexcusable behavior. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The moment he heard my name mentioned, his face flushed up; he drew me away into a corner, and referring to his cool reception of my advance years ago toward making his acquaintance, asked my pardon for what he termed his inexcusable ingratitude with an earnestness and an agitation which utterly astonished me."
• "Jan. 26 Bloomberg -- Mitt Romney demanded an apology for what he called "inexcusable" and "repulsive" remarks by Newt Gingrich for calling him the most "anti-immigrant" candidate in the Republican presidential race, as the candidates squared off in the last debate before Florida's Jan. 31 primary."
• "Sure Jackson sold a ton of records, he also engaged in inexcusable acts."