doubtlessly

C2+ Topic:Mind & Cognition

US /ˈdaʊtləsli/ UK /ˈdaʊtləsli/ See IPA manual

adv

Meanings

1

adv
without doubt; certainly

He will doubtlessly arrive late, as he always does.

Thesaurus

Synonyms

1 adv · without doubt; certainly certainly undoubtedly surely assuredly unquestionably indubitably

Opposites

doubtfully uncertainly

Word family

Related forms doubt doubtless doubtful

Etymology

From doubtless + -ly; doubtless is from doubt + -less, doubt from Old French douter, from Latin dubitare ('to waver').

douter Old French dubitare Latin dubius Latin

View etymology graph ->

Topics

Mind & Cognition Word Formation & Derivatives

# doubtlessly

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

## Meanings
1. without doubt; certainly

## Examples
- He will doubtlessly arrive late, as he always does.

## Synonyms
- certainly
- undoubtedly
- surely
- assuredly
- unquestionably
- indubitably

## Antonyms
- doubtfully
- uncertainly

## Related Forms
- doubt
- doubtless
- doubtful

## Roots and Affixes
- Root: douter
- Root: dubitare
- Root: dubius

## Etymology
From doubtless + -ly; doubtless is from doubt + -less, doubt from Old French douter, from Latin dubitare ('to waver').

## AI Etymology
Doubtlessly is from doubtless + -ly; doubtless is from doubt + -less, doubt from Old French douter, from Latin dubitare ('to waver'). Important recorded forms include douter (Old French), dubitare (Latin), and dubius (Latin). Morphologically, the word is a built form whose named elements carry part of the historical sense. The current sense covers without doubt; certainly. The wider family includes related words such as doubt, doubtless, and doubtful.

## Topics
- Mind & Cognition
- Word Formation & Derivatives

markdown

doubtlessly

Meanings

Thesaurus

Etymology

Topics

Keyboard Shortcuts

General

Send feedback