unrelenting

/ˈʌnrəˌlɛntɪŋ/

/ənreˈlɛntɪŋ/

Unrelenting is an adjective that describes someone or something that is not willing to give up, like a person who tries fifty different types of ice cream in pursuit of the perfect flavor.

The word unrelenting usually describes a person who is stubborn and persistent in his efforts. An unrelenting person may also be unforgiving, such as a judge who will give the harshest sentence regardless of the sob story that the person on trial tells her. Unrelenting can also refer to non-human actions, like the unrelenting wind that finally led to a cancellation of your outdoor sailing competition or the unrelenting noise of the party that kept you awake all night.

Definitions of unrelenting

1. adjective

   not to be placated or appeased or moved by entreaty
   synonyms: grim, inexorable, relentless, stern, unappeasable, unforgiving

   implacable

   incapable of being placated
2. adjective

   never-ceasing
   synonyms: persistent, relentless

   continual

   occurring without interruption; chiefly restricted to what recurs regularly or frequently in a prolonged and closely spaced series
3. adjective

   harsh
   synonyms: brutal

   intense

   possessing or displaying a distinctive feature to a heightened degree