1. There is no question that there will be relentless debate and research on this technology.

2. The Android mobile OS has come under relentless attack from hackers and malware distributors.

3. We have a relentless focus on changing the way people park.

4. After two years of relentless pressure, the federal government has agreed to take the case.

5. The military said Saturday that relentless assaults forced the extremists to release the hostage.

6. At the opposite end of the scale is the relentless stalker.

7. Having processes to put a relentless stream of new tests out there, figuring out what to test.

8. The campaign to defeat ISIS will continue at the same relentless pace as it is proceeding now.

9. We just have to work on that relentless, painful persistence that gets other people very irritated.

10. Perhaps Apple has signaled that this relentless pace cannot continue.

11. He dismissed the charges as relentless character assassination.

12. Both of those winters were known in California for relentless rain, strong winds and heavy snow.

13. Christopher was a persistent child, though, and his relentless optimism is a trademark.