doubtfulness

C2+ Topic:Describing Qualities

US /ˈdaʊtfəlnəs/ UK /ˈdaʊtfʊlnəs/ See IPA manual

Meanings

1

noun
the quality of being uncertain or open to doubt

The doubtfulness of the witness's account weakened the case.

Thesaurus

Synonyms

1 noun · the quality of being... uncertaintydubiousnessskepticismincertitudeambiguity misgiving

Opposites

certainty confidence assurance conviction

Word family

Related forms doubt doubtful doubtfully

Etymology

From doubtful + -ness; doubt is from Old French douter, from Latin dubitare ('to waver, hesitate'), from dubius ('uncertain').

douter Old French dubitare Latin dubius Latin

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Topics

Describing Qualities Word Formation & Derivatives

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# doubtfulness

**Type:** Word
**Level:** C2+
**Part of speech:** noun
**IPA (US):** /ˈdaʊtfəlnəs/
**IPA (UK):** /ˈdaʊtfʊlnəs/

## Meanings
1. the quality of being uncertain or open to doubt

## Examples
- The doubtfulness of the witness's account weakened the case.

## Synonyms
- uncertainty
- dubiousness
- skepticism
- incertitude
- ambiguity
- misgiving

## Antonyms
- certainty
- confidence
- assurance
- conviction

## Related Forms
- doubt
- doubtful
- doubtfully

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

## Etymology
From doubtful + -ness; doubt is from Old French douter, from Latin dubitare ('to waver, hesitate'), from dubius ('uncertain').

## AI Etymology
Doubtfulness is from doubtful + -ness; doubt is from Old French douter, from Latin dubitare ('to waver, hesitate'), from dubius ('uncertain'). The ancestry passes through Old French douter, Latin dubitare, and Latin dubius. The suffix -ness marks an abstract noun of quality or state, so the English form is shaped by recognizable word formation as well as by its inherited or borrowed base. In present use as a noun, it means "the quality of being uncertain or open to doubt", keeping the historical formation close to the word's ordinary semantic work. Because the origin is uncertain, the safest account is descriptive: the attested senses can be explained, but the ultimate formation remains unresolved. Related words include doubt, doubtful, and doubtfully.

## Topics
- Describing Qualities
- Word Formation & Derivatives

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doubtfulness

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