duly

C2+ Topic:Time

US /ˈduli/ UK /ˈdjuːli/ See IPA manual

Meanings

1

adv
in the proper way or at the proper time; as expected

The documents were duly signed and filed.

Thesaurus

Synonyms

1 adv · in the proper way or at the... properly fittingly rightly suitably punctually appropriately

Opposites

improperly unduly wrongly

Word family

Related forms due unduly

Etymology

From Middle English 'duly', from 'due' + '-ly'. 'Due' is from Old French 'deu' ('owed'), past participle of 'devoir', from Latin 'debere' ('to owe').

deu Old French debere Latin

View etymology graph ->

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# duly

**Type:** Word
**Level:** C2+
**Part of speech:** adv
**IPA (US):** /ˈduli/
**IPA (UK):** /ˈdjuːli/

## Meanings
1. in the proper way or at the proper time; as expected

## Examples
- The documents were duly signed and filed.

## Synonyms
- properly
- fittingly
- rightly
- suitably
- punctually
- appropriately

## Antonyms
- improperly
- unduly
- wrongly

## Related Forms
- due
- unduly

## Roots and Affixes
- Root: deu
- Root: debere

## Etymology
From Middle English 'duly', from 'due' + '-ly'. 'Due' is from Old French 'deu' ('owed'), past participle of 'devoir', from Latin 'debere' ('to owe').

## AI Etymology
Duly comes from Middle English 'duly', from 'due' + '-ly'. 'Due' is from Old French 'deu' ('owed'), past participle of 'devoir', from Latin 'debere' ('to owe'). The historical trail runs through Old French deu and Latin debere. Morphologically, the surface form is analyzable into prefixes, suffixes, compounds, or participial endings that carry part of the history. In modern use it means in the proper way or at the proper time; as expected. Related forms include due, unduly.

## Topics
- Time
- Word Formation & Derivatives

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duly

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