Екатерина Лей

sound1

(saund) adjective

1. strong or in good condition. The foundations of the house are not very sound; He's 87, but he's still sound in mind and body.

2. (of sleep) deep. She's a very sound sleeper.

3. full; thorough. a sound basic training.

4. accurate; free from mistakes. a sound piece of work.

5. having or showing good judgement or good sense. His advice is always very sound.