ADJ [usually verb-link ADJ](恐懼、指控、報道等)無理由的,無根據的 If you say that a fear, accusation, or story is groundless, you mean that it is not based on evidence and is unlikely to be true or valid. (恐懼、指控、報道等)無理由的,無根據的
Fears that the world was about to run out of fuel proved groundless.
事實證明對於世界燃料即將耗盡的擔憂毫無根據。
A ministry official described the report as groundless.