unexplainable

adjective

un·​ex·​plain·​able ˌən-ik-ˈsplā-nə-bəl 

: incapable of being explained : inexplicable, unaccountable

a seemingly unexplainable occurrence

unexplainable behavior

unexplainably

ˌən-ik-ˈsplā-nə-blē 

adverb

Synonyms of unexplainable

• inexplicable
• irrational
• unreasonable
• unaccountable
• inexplainable
• unusual

Examples of unexplainable in a Sentence

a series of unexplainable weather events

Recent Examples on the Web

It was largely created by the unexplainable genius of Brian Clough and Peter Taylor. —Tim Spiers, New York Times, 1 May 2026

This complex of Mayan vestiges serves as a testament to the mysterious and unexplainable engineering feats of this ancient civilization. —Condé Nast Traveler, 29 Apr. 2026

What begins as a practical solution soon spirals into paranoia when bizarre occurrences — mysterious lights, missing animals and glimpses of unexplainable technology — coincide with the days leading up to a Presidential visit. —Alex Ritman, Variety, 28 Apr. 2026

In the aftermath, Harriet has an unexplainable health scare, bringing her four estranged children to the family home to care for her. —Matt Grobar, Deadline, 10 Apr. 2026

Word History

First Known Use

circa 1711, in the meaning defined above

Rhymes for unexplainable

• attainable
• explainable
• maintainable
• obtainable
• sustainable
• ascertainable
• unattainable
• unobtainable
• unsustainable
• trainable