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

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

Examples of unexplainable in a Sentence

a series of unexplainable weather events

Recent Examples on the Web

Declassified documents revealing a United States military aircraft was previously struck by an unknown flying object is raising eyebrows as experts point to other unexplainable sightings suggesting otherworldly technology flying within the country’s airspace. —Julia Bonavita, FOXNews.com, 13 July 2025

A couple goes on a drive through the New Hampshire forest, bathed in an unexplainable light. —Literary Hub july 1, Literary Hub, 1 July 2025

In the pantheon of unexplainable things in this world, what went wrong with KJ Jefferson last season could be among things like Bigfoot, UFOs and where that one sock goes in the dryer. —Matt Murschel, The Orlando Sentinel, 23 May 2025

The Moorehead family isn’t the only one left to navigate an unexplainable tragedy. —Sam Gillette, People.com, 20 May 2025

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