1.b> ; , ; ; , ; unsound advice / ; ideologically unsound / ; the use of disposable products is considered ecologically unsound / ; the methods used were unsound / ; this line of argument is unsound / ;
2.b> , , ; , ( , . i>); the roof is structurally unsound / ; unsound foundations / ;
3.b> 1) , ; , ; she was mentally unsound / ; of unsound mind ) ; , ; ) .i> i> ; ( i>); unsound sleep / (- i>);
2) , i> ; unsound air / ;
4.b> ; ( , . i>); an unsound enterprise / ;
5.b> , ; ( . i>).