undefined

C2+ Topic:Describing Qualities

US /ˌʌndɪˈfaɪnd/ UK /ˌʌndɪˈfaɪnd/ See IPA manual

Meanings

1

adj
not clearly stated, described, or determined

His role in the project remained vague and undefined.

Thesaurus

Synonyms

1 adj · not clearly stated,... vague unclear indefiniteunspecifiedindeterminate nebulous

Opposites

defined clear precise specified determinate

Word family

Related forms define definition definite

Etymology

From un- ('not') + defined, past participle of define, from Old French definer, from Latin definire ('to limit, determine'), from de- + finire ('to bound, end'), from finis ('boundary, end').

un- Old English definire Latin finis Latin

View etymology graph ->

Topics

Describing Qualities Word Formation & Derivatives

External links

# undefined

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

## Meanings
1. not clearly stated, described, or determined

## Examples
- His role in the project remained vague and undefined.

## Synonyms
- vague
- unclear
- indefinite
- unspecified
- indeterminate
- nebulous

## Antonyms
- defined
- clear
- precise
- specified
- determinate

## Related Forms
- define
- definition
- definite

## Roots and Affixes
- Root: un-
- Root: definire
- Root: finis

## Etymology
From un- ('not') + defined, past participle of define, from Old French definer, from Latin definire ('to limit, determine'), from de- + finire ('to bound, end'), from finis ('boundary, end').

## AI Etymology
Undefined comes from un- ('not') + defined, past participle of define, from Old French definer, from Latin definire ('to limit, determine'), from de- + finire ('to bound, end'), from finis ('boundary, end'). The historical chain includes Old English un-, Latin definire, and Latin finis. The quoted older senses, "not", "to limit, determine", "to bound, end", and "boundary, end", supply the semantic anchors for undefined. The formation is best read as compound, participial, and borrowed: the word undefined carries its older form-history into a compact English lexical shape. In present English it is used as a adj, "not clearly stated, described, or determined". Related English forms include define, definition, and definite. The result is a adj whose etymology preserves both the older form and the later English specialization.

## Topics
- Describing Qualities
- Word Formation & Derivatives

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