unsupported
adjective uk/ˌʌn.səˈpɔː.tɪd/ us/ˌʌn.səˈpɔːr.t̬ɪd/
(OPINION)
（观点或说法）未经证实的
If someone's opinions or statements are unsupported, they do not have any proof or evidence to show that they are true.
unsupported allegations 未经证实的指控
Most of the report consists of generalized observations, unsupported by dates, names and times. 报道的大部分都是些泛泛之论，没有提供具体的日期、姓名和时间作支持。
(PERSON)
孤立无援的；自力更生的
not receiving any help or encouragement from other people
He made several attempts to reach the North Pole unsupported. 他曾好几次尝试孤身一人前往北极。
(STRUCTURE)
（尤指下方）无支撑的
An unsupported structure or object does not use any other object or person to support its weight, especially from below to stop it from falling.
to stand unsupported 无支撑直立
the largest unsupported marble dome in the world 世界上最大的无任何支撑物的大理石穹顶