ADJ about n
The 'certain' group
These adjectives indicate that someone is sure or unsure about an idea or about a feeling, or shows this in the way they speak. We include here unanimous, which is a reciprocal adjective.
Sally's parents split up when she was in her teens. It is hardly surprising that she feels ambivalent about the idea of getting married herself.
'I am quite certain about my identity,' he said.
Many have been doubtful about the arguments on which this teaching is based.
A lot of people are very sceptical about viruses and think that maybe you are making it all up.
The preposition about is sometimes followed by an '-ing' clause.
I had such a great marriage, I'm iffy about having a second.
In the case of ambivalent, certain, definite, sceptical, sincere, sure, uncertain, and undecided, the preposition is sometimes followed by a wh-clause.
adamant agnostic ambiguous ambivalent assertive categorical certain circumspect definite definitive dogmatic doubtful dubious emphatic equivocal hazy iffy indecisive insistent noncommittal resolute sceptical sincere skittish sure unanimous uncertain unconvinced undecided unequivocal unsure
The press is still not sure about how good I am.
If you are uncertain about what is going to happen, contact the ward Sister to check.