groundless; unfounded; baseless
Describes claims, rumors, or beliefs that lack factual basis. Often used in formal or written contexts.
その噂は全く無根だ。
That rumor is completely groundless.
無根の批判に惑わされないでください。
Please don't be swayed by unfounded criticism.
groundless; entirely contrary to fact
Compound of 無 (without) and 根 (root/basis), literally 'rootless'.