[ uhn-uh-koun-tuh-buhl ]
/ ˌʌn əˈkaʊn tə bəl /


impossible to account for; unexplained; inexplicable: The boat has an unaccountable tendency to yaw.
exempt from being called to account; not answerable: As a subordinate, he is unaccountable for errors in policy.


Discover The Influence Of Portuguese On English Via This Quiz!
We’ve gathered some interesting words donated to English from Portuguese … as well as some that just don’t translate at all. Do you know what they mean?
Question 1 of 11
Which of the following animal names traces its immediate origin to Portuguese?

Origin of unaccountable

First recorded in 1635–45; un-1 + accountable

OTHER WORDS FROM unaccountable

un·ac·count·a·ble·ness, un·ac·count·a·bil·i·ty, nounun·ac·count·a·bly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for unaccountable

British Dictionary definitions for unaccountable

/ (ˌʌnəˈkaʊntəbəl) /


allowing of no explanation; inexplicable
puzzling; extraordinaryan unaccountable fear of hamburgers
not accountable or answerable to

Derived forms of unaccountable

unaccountableness or unaccountability, noununaccountably, 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