un ‧ re ‧ lent ‧ ing /ˌʌnrɪˈlentɪŋ◂/ BrE AmE adjective formal
1 . an unpleasant situation that is unrelenting continues for a long time without stopping SYN relentless :
the unrelenting pressures of the job
2 . continuing to do something in a determined way without thinking about anyone else’s feelings SYN relentless :
an unrelenting opponent