What context can I use each word in?
Learn when and how to use these words with these examples!
doubtful
Example
I am doubtful that we will finish the project on time. [doubtful: adjective]
Example
She looked at him with a doubtful expression, unsure of his intentions. [doubtful: adjective]
Example
His story seemed doubtful, and I didn't believe him. [doubtful: adjective]
questionable
Example
The company's financial practices are questionable and need to be investigated. [questionable: adjective]
Example
His behavior towards his colleagues was questionable and caused concern. [questionable: adjective]
Example
The validity of his research is questionable, and his findings need to be verified. [questionable: adjective]
Good things to know
Which word is more common?
Doubtful is more commonly used than questionable in everyday language. Doubtful is versatile and covers a wide range of contexts, while questionable is less common and often used in specific situations.
What’s the difference in the tone of formality between doubtful and questionable?
Both doubtful and questionable can be used in both formal and informal contexts. However, questionable is often used in more formal settings such as legal or ethical discussions.
