unaccountable

adjective

un·​ac·​count·​able ˌən-ə-ˈkau̇n-tə-bəl 

1

: not to be accounted for : inexplicable, strange

2

: not to be called to account : not responsible

unaccountability

ˌən-ə-ˌkau̇n-tə-ˈbi-lə-tē 

noun

Synonyms

• unexplainable
• irrational
• inexplicable
• unreasonable

Examples of unaccountable in a Sentence

She has shown an unaccountable reluctance to accept their offer.

the decorator's client has an unaccountable dislike for that color

Recent Examples on the Web

Worse, school choice can become an excuse for policymakers to skirt hard and immediately needed conversations about an ineffective public-school curriculum, classrooms that have morphed into screen zombies, or unaccountable teacher and student performance. —Abby McCloskey, Twin Cities, 18 June 2025

Without clear insight into how AI models make decisions, businesses risk deploying tools that are unaccountable, biased or poorly understood. —Expert Panel®, Forbes.com, 14 May 2025

But replacing it with a junta of unaccountable elites—the Putin model—is not an improvement. —Garry Kasparov, The Atlantic, 28 Feb. 2025

Rival governments in the west and east of the country jockeyed for control of territory and oil reserves through the use of unaccountable militias. —Henry Leutwyler Robert Petkoff Emma Kehlbeck Quinton Kamara, New York Times, 20 May 2025

Word History

First Known Use

1643, in the meaning defined at sense 1

Rhymes for unaccountable

• accountable
• demountable
• uncountable
• countable
• insurmountable

Kids Definition

unaccountable

adjective

un·​ac·​count·​able ˌən-ə-ˈkau̇nt-ə-bəl 

1

: inexplicable, strange

2

: not to be called to account : not responsible

unaccountably

-blē

adverb