I think "Doubtful" is the right word. I don't think unconfident is the correct word. You can even use "Unsure" as the opposite of Confident. The Oxford dictionary says: unconfident. adjective. not confident; hesitant: the airmen were young, but not unconfident. very young people may have an unconfident approach

To me, they sound interchangeable. So, "I am confident of my abilities." "I am confident in my abilities." However, I'd like to know from people here at English Stackexchange as well. Is there a

2012年10月2日 · I'm trying to find a word that describes a lack of confidence. Something that gives a sense of worthlessness maybe. I've dried looking up in Thesarus.com for similarities to lack of confidence and

2016年11月27日 · Lacking confidence in oneself and one's abilities; unconfident. ‘a fragile, confused, self-doubting paranoiac’ ‘He once turned down the chance of becoming a candidate for parliament: he was much too self-effacing, and self-doubting, to do that.’

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2014年10月30日 · Hi, Dan. Your suggestion may be good, depending on what meaning of patronizing you have in mind. But for the benefit of site visitors who may not know the precise meaning you allude to (and who may have opened this page in hopes of getting a complete, usable answer), please consider adding to your answer a suitable definition of patronizing from …

Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

jwpat7's fickle is a good word for someone who changes his opinion easily - but it's invariably derogatory, and implies changing one's opinion without good cause.