undoubtedly
gb/ʌndˈaʊtɪdli/ us/ʌndˈaʊtɪdli/
B2
English
~ 3800
Senses
0 senses
adverb
B2
property
1
Without any doubt; certainly
Used to say that something is surely true.
Usage pattern:
undoubtedly [clause]
Common mistake:
Learners sometimes confuse 'undoubtedly' with 'probably', but 'undoubtedly' means there is no doubt, while 'probably' means it is likely but not certain.
Synonyms
certainly (Slightly more formal and direct; carries the same meaning of strong certainty.)
|
definitely (More informal and emphatic; often used in casual speech.)
Antonyms
doubtfully (Indicates uncertainty or hesitation, the opposite of full certainty.)
|
possibly (Suggests something might be true but is not certain.)
Collocations
undoubtedly true
|undoubtedly correct
|will undoubtedly
Themes
communication
|opinions
|certainty
|core_vocabulary
Examples
- She will undoubtedly win the award after such a performance.
- This is undoubtedly the best pizza I've ever had.
- The project will undoubtedly face some challenges along the way.
Learner examples
- She will undoubtedly get the job.
- It is undoubtedly a good idea.
- He is undoubtedly the best player on the team.
Grammar
Dictionary form
undoubtedly
IPA
GB/ʌndˈaʊtɪdli/
US/ʌndˈaʊtɪdli/
Syllables & stress
un - doubtedly (2 syllables)
Stress on 2nd syllable (doubtedly)
Word forms
Noun
- Base: undoubtedly
- Plural: undoubtedlies
Word family
Expressions
no doubt about it
1/nˈoʊ dˈaʊt əbˈaʊt ˈɪt/
fixed phrase
informal
Complete agreement or certainty
Used to say you are completely sure about something.
Examples
- "He's the right person for the job, no doubt about it."
- There's no doubt about it—this is our best product yet.
- "No doubt about it, we will win."
- No doubt about it, they will be champions this year.
without a doubt
1/wɪðˈaʊt ə dˈaʊt/
fixed phrase
certainly; definitely
Used to say you are sure about something.
Examples
- Without a doubt, she is the best player on the team.
- Without a doubt, she is the most talented singer here.
- He will win, without a doubt.
- He is without a doubt the right person for the job.
without a doubt
2/wɪðˈaʊt ə dˈaʊt/
fixed phrase
With full certainty
Used to say you are completely sure about something.
Examples
- Without a doubt, this is the best meal I've ever had.
- He is without a doubt the most talented player here.