groundless

1. ADJ 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. 沒有根據(jù)的

Fears that the world was about to run out of fuel proved groundless. 擔(dān)心地球燃料即將用盡被証明是沒有根據(jù)的。