| 单词 | unsubstantiated |
| 例句 | unsubstantiated adjective •unsubstantiated rumors:unconfirmed, unsupported, uncorroborated, unverified, unattested, unproven | unfounded, groundless, baseless, without foundation, unjustified. |
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英语同义词词典收录了14896条英语词条，基本涵盖了全部常用同义词或反义词的辨析及翻译，是英语学习的有利工具。