American Dictionary
Definition doubtful in American English
doubtful
adjective
What are red words?
Around 90% of spoken and written English relies on just 7,500 common words.
These words are highlighted in red and are ranked using a star system.
- One-star words are commonly used
- Two-star words are even more common
- Three-star words are the most frequently used
adjective
What are red words?
Around 90% of spoken and written English relies on just 7,500 common words.These words are highlighted in red and are ranked using a star system.
- One-star words are commonly used
- Two-star words are even more common
- Three-star words are the most frequently used
/ˈdaʊtfəl/
Example
It is doubtful whether he will survive.
2
not satisfactory or acceptable
Example
documents of doubtful authenticity
Synonyms and related words
