How to Use "tactless" with Example Sentences

1. We 're used to press behaviour being decried as tasteless or tactless .
2. How I longed for the power to unsay my tactless words !
3. I 'm sorry , did I say something tactless ?
4. Sometimes he is very tactless .
5. I 'll never know , because you 'll never be tactless enough to tell me , will you ?