確信と疑い - Uncertainty

generally perceived to exist or be the case despite being uncertain

名高い

used to say that something is true according to what people say, although it is uncertain

いわく

to make something, particularly a belief or idea, less certain

揺さぶる

uncertain about the exact details of something

不確かな

used to indicate a degree of expectation regarding something that is likely to happen

すべき

in a way or by some method that is not known or certain

なんとか

in some obscure manner or by some unspecified means that one does not know or understand thoroughly

何らかの方法で

used to suggest that something is assumed to be true, often with a hint of doubt

いわゆる

not firmly established or decided, with the possibility of changes in the future

仮の

in a way that is not certain or definite and might be changed later

仮に

‌used to express that no decision is made or no opinion is formed about something due to uncertainty

used to imply that even when something seems certain or likely to happen, there are many opportunities for it to go wrong or for unexpected events to intervene before it is actually achieved

used to convey that something cannot happen under any given circumstances

not definitively known or decided

不確か

something about which one cannot be certain

不確実性

not exactly known or expressed, often leading to confusion or ambiguity

不明確な

having doubts about the validity or credibility of something

不信の

having a low chance of happening or being true

ありそうにない

having doubts about or no confidence in someone or something

不確かな

to become less resolved or determined

弱まる

used to express an opinion about which one is not certain

だろう

used to say that one can never be sure of something