diff --git a/mistralclient/api/v2/executions.py b/mistralclient/api/v2/executions.py
index 08b3324e..e95c3789 100644
--- a/mistralclient/api/v2/executions.py
+++ b/mistralclient/api/v2/executions.py
@@ -113,7 +113,13 @@ class ExecutionManager(base.ResourceManager):
 
         return self._get('/executions/%s' % id)
 
-    def delete(self, id):
+    def delete(self, id, force=None):
         self._ensure_not_empty(id=id)
+        qparams = {}
 
-        self._delete('/executions/%s' % id)
+        qparams['force'] = bool(force)
+
+        query_string = ("?%s" % urlparse.urlencode(list(qparams.items()))
+                        if qparams else "")
+
+        self._delete('/executions/%s%s' % (id, query_string))
diff --git a/mistralclient/commands/v2/executions.py b/mistralclient/commands/v2/executions.py
index eba5c829..fffb70ff 100644
--- a/mistralclient/commands/v2/executions.py
+++ b/mistralclient/commands/v2/executions.py
@@ -248,13 +248,21 @@ class Delete(command.Command):
             help='Id of execution identifier(s).'
         )
 
+        parser.add_argument(
+            '--force',
+            default=False,
+            action='store_true',
+            help='Force the deletion of an execution. Might cause a cascade '
+                 ' of errors if used for running executions.'
+        )
+
         return parser
 
     def take_action(self, parsed_args):
         mistral_client = self.app.client_manager.workflow_engine
-
+        force = parsed_args.force
         utils.do_action_on_many(
-            lambda s: mistral_client.executions.delete(s),
+            lambda s: mistral_client.executions.delete(s, force=force),
             parsed_args.execution,
             "Request to delete execution %s has been accepted.",
             "Unable to delete the specified execution(s)."
diff --git a/mistralclient/tests/unit/v2/test_cli_executions.py b/mistralclient/tests/unit/v2/test_cli_executions.py
index dbb53c15..7bce7b26 100644
--- a/mistralclient/tests/unit/v2/test_cli_executions.py
+++ b/mistralclient/tests/unit/v2/test_cli_executions.py
@@ -282,13 +282,24 @@ class TestCLIExecutionsV2(base.BaseCommandTest):
     def test_delete(self):
         self.call(execution_cmd.Delete, app_args=['id'])
 
-        self.client.executions.delete.assert_called_once_with('id')
+        self.client.executions.delete.assert_called_once_with(
+            'id',
+            force=False
+        )
+
+    def test_delete_with_force(self):
+        self.call(execution_cmd.Delete, app_args=['id', '--force'])
+
+        self.client.executions.delete.assert_called_once_with(
+            'id',
+            force=True
+        )
 
     def test_delete_with_multi_names(self):
         self.call(execution_cmd.Delete, app_args=['id1', 'id2'])
 
         self.assertEqual(2, self.client.executions.delete.call_count)
         self.assertEqual(
-            [mock.call('id1'), mock.call('id2')],
+            [mock.call('id1', force=False), mock.call('id2', force=False)],
             self.client.executions.delete.call_args_list
         )
diff --git a/mistralclient/tests/unit/v2/test_executions.py b/mistralclient/tests/unit/v2/test_executions.py
index 5415cd8e..54689c57 100644
--- a/mistralclient/tests/unit/v2/test_executions.py
+++ b/mistralclient/tests/unit/v2/test_executions.py
@@ -254,6 +254,12 @@ class TestExecutionsV2(base.BaseClientV2Test):
             ex.to_dict()
         )
 
+    def test_delete_with_force(self):
+        url = self.TEST_URL + URL_TEMPLATE_ID % EXEC['id']
+        self.requests_mock.delete(url, status_code=204)
+
+        self.executions.delete(EXEC['id'], force=True)
+
     def test_delete(self):
         url = self.TEST_URL + URL_TEMPLATE_ID % EXEC['id']
         self.requests_mock.delete(url, status_code=204)
diff --git a/releasenotes/notes/force-delete-executions-d08ce88a5deb3291.yaml b/releasenotes/notes/force-delete-executions-d08ce88a5deb3291.yaml
new file mode 100644
index 00000000..2c51cc22
--- /dev/null
+++ b/releasenotes/notes/force-delete-executions-d08ce88a5deb3291.yaml
@@ -0,0 +1,7 @@
+---
+features:
+  - |
+    Adding a --force optional parameter to delete excetutions. Without it only
+    finished executions can be deleted. If --force is passed the execution
+    will be deleted but mistral will generate some errors as expected objects
+    in memory no longer exist