unexplained

C2+ Topic:Describing Qualities

US /ˌʌnɪkˈspleɪnd/ UK /ˌʌnɪkˈspleɪnd/ See IPA manual

adj

Meanings

1

adj
not made clear or accounted for

The unexplained noises kept the household uneasy all night.

Thesaurus

Synonyms

1 adj · not made clear or accounted... mysterious inexplicable obscureunaccountedpuzzling unclear

Opposites

explained clear accounted understood

Word family

Related forms explain explanationexplainable

Etymology

From un- ('not') + explained, past participle of explain, from Latin explanare ('to make level, explain'), from ex- ('out') + planus ('flat, plain').

un- Old English explanare Latin planus Latin

View etymology graph ->

Topics

Describing Qualities Word Formation & Derivatives

# unexplained

**Type:** Word
**Level:** C2+
**Part of speech:** adj
**IPA (US):** ˌʌnɪkˈspleɪnd
**IPA (UK):** ˌʌnɪkˈspleɪnd

## Meanings
1. not made clear or accounted for

## Examples
- The unexplained noises kept the household uneasy all night.

## Synonyms
- mysterious
- inexplicable
- obscure
- unaccounted
- puzzling
- unclear

## Antonyms
- explained
- clear
- accounted
- understood

## Related Forms
- explain
- explanation
- explainable

## Roots and Affixes
- Root: un-
- Root: explanare
- Root: planus

## Etymology
From un- ('not') + explained, past participle of explain, from Latin explanare ('to make level, explain'), from ex- ('out') + planus ('flat, plain').

## AI Etymology
Unexplained is from un- ('not') + explained, past participle of explain, from Latin explanare ('to make level, explain'), from ex- ('out') + planus ('flat, plain'). Important recorded forms include un- (Old English), explanare (Latin), and planus (Latin). Morphologically, the un- element marks negation, reversal, removal, or deprivation, while the base supplies the action, quality, or state being denied or undone. The modern sense is largely compositional, with the historical elements narrowing into a stable English lexical item. In current use it covers not made clear or accounted for. The wider family includes related words such as explain, explanation, and explainable.

## Topics
- Describing Qualities
- Word Formation & Derivatives

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