How to Use "impenetrable" with Example Sentences

1. The chamber 's impenetrable procedures tend to deflect even the sharpest of spears .
2. But bureaucratic obfuscation , impenetrable accounting and a dose of serial denial make getting an answer difficult .
3. Life is impenetrable , ridiculous and nonsense .
4. Here , blonde morphs into steely resolve and impenetrable intellect .
5. Only a snag down the knee of her tights leavens her impenetrable neatness .