1. 无根据的：baseless subminiature vacuum tube || 无座指形管 | baseless || 无根据的 | baseleveling epoch || 基准面期
2. 无缘无故的：B:backless 往回 | baseless 无缘无故的 | blameless 无过错的
3. 没有基础的：baselength 基线长度 | baseless 没有基础的 | baselevelofabrasion 磨蚀基准面
4. 没有依据的：Basement 地下室 | Baseless 没有依据的 | Debase 降低
1. 毫无根据的；无缘无故的
If you describe an accusation, rumour, or report as baseless, you mean that it is not true and is not based on facts.
e.g. The charges against her are baseless.
对她的指控毫无根据。
e.g. ...baseless allegations of drug taking.
毫无根据的吸毒指控
adj
1. without a basis in reason or fact
e.g. baseless gossip
the allegations proved groundless
idle fears
unfounded suspicions
unwarranted jealousy