a feeling of uncertainty or lack of conviction, a feeling of fear or apprehension

in doubt, no doubt, put/throw doubt on

beyond a shadow of a doubt, cast doubt on, give someone the benefit of the doubt

Formal and Informal Expressions of doubt

In different contexts, you can replace 'doubt' with suitable alternatives. In a more formal setting, 'uncertainty, skepticism' is apt. In informal speech or writing, 'suspicion, mistrust' is a commonplace synonym.

doubt: Explore its Definition & Usage

doubt Definition

1a feeling of uncertainty or lack of conviction
2a feeling of fear or apprehension

Using doubt: Examples

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

Example
I have some doubts about his ability to do the job.
Example
There is no doubt that she is the best candidate for the position.
Example
He expressed doubt that the project would be completed on time.
Example
I doubt whether he will come.

doubt Synonyms and Antonyms

Synonyms for doubt

Antonyms for doubt

Idioms Using doubt

in doubt
not certain or clear
Example
The outcome of the election is still in doubt.
no doubt
used to indicate that something is very likely
Example
No doubt she will be pleased to hear the news.
put/throw doubt on
cause people to feel uncertain about something
Example
The report put doubt on the effectiveness of the new drug.

Phrases with doubt

beyond a shadow of a doubt
completely certain
Example
The evidence proved beyond a shadow of a doubt that he was guilty.
cast doubt on
cause people to feel uncertain about something
Example
The new evidence cast doubt on the suspect's alibi.
give someone the benefit of the doubt
believe someone's statement, without proof, because they are generally trustworthy
Example
I don't have any evidence to support his claim, but I'll give him the benefit of the doubt.

Origins of doubt

from Old French 'douter', from Latin 'dubitare', meaning 'to hesitate'

📌

Summary: doubt in Brief

The term 'doubt' [daut] refers to a feeling of uncertainty or lack of conviction, often accompanied by fear or apprehension. It can be used to express skepticism or mistrust, as in 'I have some doubts about his ability to do the job.' Conversely, it can be used to indicate certainty, as in 'There is no doubt that she is the best candidate for the position.' 'Doubt' extends into phrases like 'give someone the benefit of the doubt,' and idioms like 'in doubt,' denoting uncertainty.