English Reference

Word

unexplainable

Phoneticsun·ex·plain·able

US/ˌənɪksˈpɫeɪnəbəɫ/

UK/ˌʌnɛksplˈeɪnəbəl/

Definition

adj. impossible to explain, even when you try hard to find a clear reason.

adj. incapable of being explained or accounted for through reason, evidence, or known causes. Often modified by degree adverbs such as 'completely' or 'almost'.

Examples

“Her sudden fear of water feels unexplainable to her family.”

“The doctors call his quick recovery unexplainable because all his test results were still poor.”

“The committee left the sudden market swing as unexplainable after models based on trade data and investor mood failed to predict it.”

Examples

simple

“Her sudden fear of water feels unexplainable to her family.”

contextual

“The doctors call his quick recovery unexplainable because all his test results were still poor.”

complex

“The committee left the sudden market swing as unexplainable after models based on trade data and investor mood failed to predict it.”

Collocations

Common phrases and expressions where native English speakers use the word “unexplainable” in context.

Verb

01. appear unexplainable

“The decision appears unexplainable until you know the facts.”

verb + adj

02. consider unexplainable

“The police considered the suspect's behaviour unexplainable.”

verb + adj

03. deem unexplainable

“The committee deemed the election result unexplainable.”

verb + adj

04. find unexplainable

“Doctors found his symptoms completely unexplainable.”

verb + adj

05. remain unexplainable

“Despite the investigation, the cause remains unexplainable.”

verb + adj

Adjective

06. almost unexplainable

“The speed of his recovery was almost unexplainable.”

adv + adj

07. completely unexplainable

“The test results were completely unexplainable at first.”

adv + adj

08. a totally unexplainable phenomenon

“Ball lightning was once a totally unexplainable phenomenon.”

09. an unexplainable fear of

“He developed an unexplainable fear of open water.”

10. for some unexplainable reason

“For some unexplainable reason, the car started on its own.”

11. remain completely unexplainable

“Even after many tests, her illness remains completely unexplainable.”

12. seem almost unexplainable at first

“Many magic tricks seem almost unexplainable at first.”

Usage

Usable both before a noun and after linking verbs such as 'seem' or 'remain'.

Real-World Examples

“If anything were unexplainable, there’d be a grave risk that human enquiry is ultimately futile.”
Aeon 12 Oct 2026
“But for many people, tinnitus is unexplainable; an irritating noise that starts and persists without any clear physiological explanation.”
The Guardian 11 Sept 2026
“The apparently unexplainable cure of a paralysed sailor more than a century ago has been officially declared a miracle by church authorities.”
BBC News 9 Dec 2024

Synonyms

Antonyms

explainable

Related words

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
Frequency
Occasional
Level
B2 · Upper Intermediate
Updated

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