Adjective

After he made some dubious claims about the company, fewer people trusted him.

Evasive, womanising, boastful, malicious, untrustworthy, an inveterate gambler who combined his mediocre military career with running a high-class brothel, permanently cash strapped and viciously quarrelsome, his character is as dubious as his unsavoury appearance.

She was dubious about my plan at first, but later I managed to persuade her to cooperate.

Last year, President Obama had large majorities in Congress and hopes of passing a comprehensive climate and energy bill. Next year, he faces a new Congress much more dubious about the reality of climate change and considerably more hostile to international efforts to deal with it.

Adjective

In laws, that which is natural bindeth universally; that which is positive , not so.

Positive words, that he would not bear arms against King Edward’s son.

I’m absolutely positive you've spelt that wrong.

a positive voice in legislation.

Some positive , persisting fops we know, That, if once wrong, will needs be always so.

Positive good.

A cation is a positive ion as it has more protons than electrons.

‘Better’ is an irregular comparative of the positive form ‘good’.

The idea of beauty is not positive , but depends on the different tastes of individuals.

The box was not empty – I felt some positive substance within it.

The results of our experiment are positive .

A positive photograph can be developed from a photographic negative.

The first-night reviews were largely positive .

Good lord, you've built up a positive arsenal of weaponry here.

He has a positive outlook on life.

2009 , Christopher Johns, Becoming a Reflective Practitioner , John Wiley & Sons, p. 15

Negative feelings can be worked through and their energy converted into positive' energy... In crisis, normal patterns of self-organization fail, resulting in anxiety (negative energy). Being open systems, people can exchange this energy with the environment and create ' positive energy for taking action...