impervious: [im-pur-vee-uh s] (a) 1. not allowing fluid to pass through; water-tight; 2. unable to be affected by; invulnerable to
in a sentence: After losing his job, gambling away all of his savings, then having his car stolen, he was impervious to the news that he had won the lottery . . . and the winning ticket was in his car.
sheltered: [shel-tuhrd] (a) 1. protected from bad weather. 2. protected from difficulties or unpleasant realities
in a sentence: Susan’s parents wanted her to live in a safe, sheltered bubble away from all the loud, ugly things of the real world. And she was happy in “bubble land.” But by the time she became a young woman and was ready to leave home, she was unprepared for real life. Now she’s 40 and lives in her parent’s basement. The end.