disloyal

C2+ Topic:Describing People

US /dɪsˈlɔɪəl/ UK /dɪsˈlɔɪəl/ See IPA manual

adj

Meanings

1

adj
failing to be faithful or loyal; treacherous

He felt it disloyal to criticize a friend behind her back.

Thesaurus

Synonyms

1 adj · failing to be faithful or... treacherous faithless unfaithful traitorous perfidioustreasonousfalse

Opposites

loyal faithful devoted steadfast true

Word family

Derived forms disloyallydisloyalty

Related forms loyal loyalty legal

Etymology

From dis- ('not') + loyal; loyal from Middle French loyal, from Old French leial, from Latin legalis ('legal, of the law'), from lex, legis ('law').

loyal Old French legalis Latin lex Latin

View etymology graph ->

Topics

Describing People Word Formation & Derivatives

# disloyal

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

## Meanings
1. failing to be faithful or loyal; treacherous

## Examples
- He felt it disloyal to criticize a friend behind her back.

## Synonyms
- treacherous
- faithless
- unfaithful
- traitorous
- perfidious
- treasonous
- false

## Antonyms
- loyal
- faithful
- devoted
- steadfast
- true

## Derived Forms
- disloyally
- disloyalty

## Related Forms
- loyal
- loyalty
- legal

## Roots and Affixes
- Root: loyal
- Root: legalis
- Root: lex

## Etymology
From dis- ('not') + loyal; loyal from Middle French loyal, from Old French leial, from Latin legalis ('legal, of the law'), from lex, legis ('law').

## AI Etymology
Disloyal comes from dis- ('not') + loyal; loyal from Middle French loyal, from Old French leial, from Latin legalis ('legal, of the law'), from lex, legis ('law'). The etymological trail includes Old French loyal, Latin legalis, and Latin lex. As an adjective, disloyal describes what is failing to be faithful or loyal; treacherous. The same family is visible in derived forms such as disloyally and disloyalty and related forms such as loyal, loyalty, and legal. The analysis is partly morphological, with the modern form built from the elements named in the history.

## Topics
- Describing People
- Word Formation & Derivatives

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disloyal

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