doubtful

[US]/ˈdaʊtfl/
[UK]/ˈdaʊtfl/
Frequency: Very High

Translation

adj. unpredictable, suspicious, skeptical

Phrases & Collocations

doubtful of

doubtful about

Example Sentences

This is a doubtful battle.

a doubtful claim; doubtful prospects.

the fire was of doubtful origin.

a report of doubtful veracity.

It is doubtful that he will come.

He is a doubtful character.

I was doubtful of my judgement.

I'm doubtful where to go.

He is an author of doubtful reputation.

a document of doubtful authenticity

dubious profits.See Synonyms at doubtful

magazine of doubtful taste

Demirep:a person of doubtful reputation or respectability.

I feel very doubtful about this.

I am very doubtful of that.

It is doubtful whether it is true or not.

your record's bad, but it's doubtful they'll give you the bullet.

Real-world Examples

Will it work? It seems doubtful.

Source: The Economist - China

It is doubtful that he will come.

Source: IELTS vocabulary example sentences

A sceptical person is doubtful about something.

Source: 6 Minute English

" Doubtful that I would turn up? " Dumbledore suggested shrewdly.

Source: Harry Potter and the Half-Blood Prince

I am doubtful whether she is still alive.

Source: IELTS vocabulary example sentences

Uncertainty means that something is doubtful or unknown.

Source: Advanced Daily Grammar (Audio Version)

Oh, doubtful. I just moved here from London.

Source: Sex and the City Selected Highlights

It is doubtful whether Ted will keep his promise.

Source: Lai Shixiong Advanced English Vocabulary 3500

She too was initially doubtful surgery could help her.

Source: VOA Standard December 2013 Collection

Doubtful. Klaus doesn't want to be pointed out.

Source: The Vampire Diaries Season 2

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