Logical term meaning that an argument is valid and its premises are true.
1But, in truth, I care little to make my position logically sound.
2From the pulpit of St. Mary's he told his congregation that Hume's argument against miracles was logically sound.
3Nevertheless, it is regrettable that Ministers took up on the Sudan problem a position that was logically sound but futile in the sphere of action.
Translations for logically sound