diff --git a/stdlib/@tests/stubtest_allowlists/py314.txt b/stdlib/@tests/stubtest_allowlists/py314.txt
index 8f2a73dc6577..c7ab51479fea 100644
--- a/stdlib/@tests/stubtest_allowlists/py314.txt
+++ b/stdlib/@tests/stubtest_allowlists/py314.txt
@@ -2,16 +2,6 @@
 # TODO: New errors in Python 3.14 that need to be fixed or moved below
 # ====================================================================
 
-multiprocessing.managers.BaseListProxy.clear
-multiprocessing.managers.BaseListProxy.copy
-multiprocessing.managers.DictProxy.__ior__
-multiprocessing.managers._BaseDictProxy.__ior__
-multiprocessing.managers._BaseDictProxy.__or__
-multiprocessing.managers._BaseDictProxy.__reversed__
-multiprocessing.managers._BaseDictProxy.__ror__
-multiprocessing.managers._BaseDictProxy.fromkeys
-multiprocessing.process.BaseProcess.interrupt
-multiprocessing.synchronize.SemLock.locked
 tarfile.TarFile.zstopen
 tkinter.Event.__class_getitem__
 
diff --git a/stdlib/multiprocessing/managers.pyi b/stdlib/multiprocessing/managers.pyi
index b0ccac41b925..8e99fe6648e6 100644
--- a/stdlib/multiprocessing/managers.pyi
+++ b/stdlib/multiprocessing/managers.pyi
@@ -93,6 +93,12 @@ if sys.version_info >= (3, 13):
         def keys(self) -> list[_KT]: ...  # type: ignore[override]
         def items(self) -> list[tuple[_KT, _VT]]: ...  # type: ignore[override]
         def values(self) -> list[_VT]: ...  # type: ignore[override]
+        if sys.version_info >= (3, 14):
+            def __ior__(self, value: Mapping[_KT, _VT], /) -> Self: ...  # type: ignore[misc]
+            def __or__(self, value: Mapping[_KT, _VT], /) -> dict[_KT, _VT]: ...  # type: ignore[misc]
+            def __reversed__(self) -> Iterator[_KT]: ...  # type: ignore[misc]
+            def __ror__(self, value: Mapping[_KT, _VT], /) -> dict[_KT, _VT]: ...  # type: ignore[misc]
+            def fromkeys(self, iterable: Iterable[_KT], value: _VT, /) -> dict[_KT, _VT]: ...  # type: ignore[misc]
 
     class DictProxy(_BaseDictProxy[_KT, _VT]):
         def __class_getitem__(cls, args: Any, /) -> GenericAlias: ...
@@ -197,6 +203,9 @@ class BaseListProxy(BaseProxy, MutableSequence[_T]):
     def sort(self: BaseListProxy[SupportsRichComparisonT], *, key: None = None, reverse: bool = ...) -> None: ...
     @overload
     def sort(self, *, key: Callable[[_T], SupportsRichComparison], reverse: bool = ...) -> None: ...
+    if sys.version_info >= (3, 14):
+        def clear(self) -> None: ...  # type: ignore[misc]
+        def copy(self) -> list[_T]: ...  # type: ignore[misc]
 
 class ListProxy(BaseListProxy[_T]):
     def __iadd__(self, value: Iterable[_T], /) -> Self: ...  # type: ignore[override]
diff --git a/stdlib/multiprocessing/process.pyi b/stdlib/multiprocessing/process.pyi
index 4d129b27b0e8..85e7ad56740f 100644
--- a/stdlib/multiprocessing/process.pyi
+++ b/stdlib/multiprocessing/process.pyi
@@ -1,3 +1,4 @@
+import sys
 from collections.abc import Callable, Iterable, Mapping
 from typing import Any
 
@@ -33,6 +34,8 @@ class BaseProcess:
     def pid(self) -> int | None: ...
     @property
     def sentinel(self) -> int: ...
+    if sys.version_info >= (3, 14):
+        def interrupt(self) -> None: ...
 
 def current_process() -> BaseProcess: ...
 def active_children() -> list[BaseProcess]: ...
diff --git a/stdlib/multiprocessing/synchronize.pyi b/stdlib/multiprocessing/synchronize.pyi
index a0d97baa0633..541e0b05dd8a 100644
--- a/stdlib/multiprocessing/synchronize.pyi
+++ b/stdlib/multiprocessing/synchronize.pyi
@@ -1,3 +1,4 @@
+import sys
 import threading
 from collections.abc import Callable
 from multiprocessing.context import BaseContext
@@ -45,6 +46,8 @@ class SemLock:
     # These methods are copied from the wrapped _multiprocessing.SemLock object
     def acquire(self, block: bool = True, timeout: float | None = None) -> bool: ...
     def release(self) -> None: ...
+    if sys.version_info >= (3, 14):
+        def locked(self) -> bool: ...
 
 class Lock(SemLock):
     def __init__(self, *, ctx: BaseContext) -> None: ...