feeling uncertain about something, not likely to be true or to happen, not good enough to be successful or useful

Formal and Informal Expressions of doubtful

In different contexts, you can replace 'doubtful' with suitable alternatives. In a more formal setting, 'uncertain, questionable, dubious' is apt. In informal speech or writing, 'sketchy, fishy' is a commonplace synonym.

doubtful: Explore its Definition & Usage

doubtful Definition

1feeling uncertain about something
2not likely to be true or to happen
3not good enough to be successful or useful

Using doubtful: Examples

Take a moment to familiarize yourself with how "doubtful" can be used in various situations through the following examples!

Example
I am doubtful that he will come to the party.
Example
The company's future is doubtful due to financial problems.
Example
The authenticity of the painting is doubtful.
Example
It is doubtful whether we will finish the project on time.

doubtful Synonyms and Antonyms

Synonyms for doubtful

Antonyms for doubtful

Phrases with doubtful

in doubtful taste
considered inappropriate or offensive by most people
Example
His jokes were in doubtful taste and made many people uncomfortable.
doubtful prospect
a situation or opportunity that is unlikely to be successful
Example
Investing in that company is a doubtful prospect.
doubtful honor
an award or recognition that is not deserved or earned
Example
Winning the race because your competitor fell down is a doubtful honor.

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Summary: doubtful in Brief

The term 'doubtful' [ˈdaʊtfəl] refers to feeling uncertain about something, or something that is not likely to be true or to happen. It can also mean something that is not good enough to be successful or useful. Examples include 'I am doubtful that he will come to the party,' and 'The authenticity of the painting is doubtful.' Phrases like 'in doubtful taste' denote something inappropriate, while 'doubtful prospect' refers to an unlikely success.