doubt
Proposed by a contributor, not yet supported by evidence.
Also seen as: doubts · doubting · doubted
Sense 1
To be undecided about; to lack confidence in; to disbelieve, to question.
Verb
Examples
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 2
To harbour suspicion about; suspect.
Verb
Examples
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 3
Disbelief or uncertainty (about something); (countable) a particular instance of such disbelief or uncertainty.
Noun
Examples
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 4
A point of uncertainty, especially a yes/no or a multiple-choice question
Noun
Examples
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Common questions
What does “doubt” mean?
To be undecided about; to lack confidence in; to disbelieve, to question.
Is “doubt” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.