# django__django-13710
# Loki Mode Multi-Agent Patch
# Attempts: 1

--- a/django/contrib/admin/options.py
+++ b/django/contrib/admin/options.py
@@ -1,6 +1,6 @@
 import copy
 import json
-from functools import partial, update_wrapper
+from functools import lru_cache, partial, update_wrapper
 from urllib.parse import quote as urlquote
 
 from django import forms
@@ -2012,6 +2012,14 @@ class InlineModelAdmin(BaseModelAdmin):
     classes = None
     template = None
 
+    @lru_cache(maxsize=1)
+    def _has_explicit_verbose_name(self):
+        """Check if verbose_name was explicitly set on this class."""
+        for cls in type(self).__mro__:
+            if 'verbose_name' in cls.__dict__:
+                return cls is not InlineModelAdmin
+        return False
+
     @property
     def verbose_name(self):
         return self._verbose_name or self.model._meta.verbose_name
@@ -2022,7 +2030,11 @@ class InlineModelAdmin(BaseModelAdmin):
 
     @property
     def verbose_name_plural(self):
-        return self._verbose_name_plural or self.model._meta.verbose_name_plural
+        if self._verbose_name_plural:
+            return self._verbose_name_plural
+        if self._has_explicit_verbose_name():
+            return format_lazy('{}s', self._verbose_name)
+        return self.model._meta.verbose_name_plural
 
     @verbose_name_plural.setter
     def verbose_name_plural(self, value):