doubtful
Translation
doubtful, uncertain, questionable
Examples
I am doubtful about our chances of winning.
I am doubtful about our chances of winning.
It is doubtful that he will come.
It is doubtful that he will come.
Grammar Patterns
((about sth.)) feeling uncertain about something I am doubtful about the plan.
It is doubtful ((that ...)) it is unlikely that... It is doubtful that they will arrive on time.
Similar Words
Synonyms: uncertain, skeptical, questionable; Antonyms: certain, sure, confident
Etymology
From 'doubt' + '-ful' (full of). Literally 'full of doubt'.
Memory Tips
Picture a head that is 'full' of 'doubts' (question marks).