diff --git a/stdlib/tkinter/__init__.pyi b/stdlib/tkinter/__init__.pyi
index a33f30adcbb9..59cbc4401e51 100644
--- a/stdlib/tkinter/__init__.pyi
+++ b/stdlib/tkinter/__init__.pyi
@@ -2236,8 +2236,8 @@ class Entry(Widget, XView):
         insertofftime: int = 300,
         insertontime: int = 600,
         insertwidth: float | str = ...,
-        invalidcommand: str | list[str] | tuple[str, ...] | Callable[[], bool] = "",
-        invcmd: str | list[str] | tuple[str, ...] | Callable[[], bool] = "",  # same as invalidcommand
+        invalidcommand: str | list[str] | tuple[str, ...] | Callable[[], object] = "",
+        invcmd: str | list[str] | tuple[str, ...] | Callable[[], object] = "",  # same as invalidcommand
         justify: Literal["left", "center", "right"] = "left",
         name: str = ...,
         readonlybackground: str = ...,
@@ -2281,8 +2281,8 @@ class Entry(Widget, XView):
         insertofftime: int = ...,
         insertontime: int = ...,
         insertwidth: float | str = ...,
-        invalidcommand: str | list[str] | tuple[str, ...] | Callable[[], bool] = ...,
-        invcmd: str | list[str] | tuple[str, ...] | Callable[[], bool] = ...,
+        invalidcommand: str | list[str] | tuple[str, ...] | Callable[[], object] = ...,
+        invcmd: str | list[str] | tuple[str, ...] | Callable[[], object] = ...,
         justify: Literal["left", "center", "right"] = ...,
         readonlybackground: str = ...,
         relief: Literal["raised", "sunken", "flat", "ridge", "solid", "groove"] = ...,
@@ -4123,8 +4123,8 @@ class Spinbox(Widget, XView):
         insertofftime: int = 300,
         insertontime: int = 600,
         insertwidth: float | str = ...,
-        invalidcommand: str | list[str] | tuple[str, ...] | Callable[[], bool] = "",
-        invcmd: str | list[str] | tuple[str, ...] | Callable[[], bool] = "",
+        invalidcommand: str | list[str] | tuple[str, ...] | Callable[[], object] = "",
+        invcmd: str | list[str] | tuple[str, ...] | Callable[[], object] = "",
         justify: Literal["left", "center", "right"] = "left",
         name: str = ...,
         readonlybackground: str = ...,
@@ -4181,8 +4181,8 @@ class Spinbox(Widget, XView):
         insertofftime: int = ...,
         insertontime: int = ...,
         insertwidth: float | str = ...,
-        invalidcommand: str | list[str] | tuple[str, ...] | Callable[[], bool] = ...,
-        invcmd: str | list[str] | tuple[str, ...] | Callable[[], bool] = ...,
+        invalidcommand: str | list[str] | tuple[str, ...] | Callable[[], object] = ...,
+        invcmd: str | list[str] | tuple[str, ...] | Callable[[], object] = ...,
         justify: Literal["left", "center", "right"] = ...,
         readonlybackground: str = ...,
         relief: Literal["raised", "sunken", "flat", "ridge", "solid", "groove"] = ...,
diff --git a/stdlib/tkinter/ttk.pyi b/stdlib/tkinter/ttk.pyi
index 06d2be13dc28..bf184bc2e8f8 100644
--- a/stdlib/tkinter/ttk.pyi
+++ b/stdlib/tkinter/ttk.pyi
@@ -340,7 +340,7 @@ class Entry(Widget, tkinter.Entry):
         exportselection: bool = True,
         font: _FontDescription = "TkTextFont",
         foreground: str = "",
-        invalidcommand: str | list[str] | tuple[str, ...] | Callable[[], bool] = "",
+        invalidcommand: str | list[str] | tuple[str, ...] | Callable[[], object] = "",
         justify: Literal["left", "center", "right"] = "left",
         name: str = ...,
         show: str = "",
@@ -364,7 +364,7 @@ class Entry(Widget, tkinter.Entry):
         exportselection: bool = ...,
         font: _FontDescription = ...,
         foreground: str = ...,
-        invalidcommand: str | list[str] | tuple[str, ...] | Callable[[], bool] = ...,
+        invalidcommand: str | list[str] | tuple[str, ...] | Callable[[], object] = ...,
         justify: Literal["left", "center", "right"] = ...,
         show: str = ...,
         state: str = ...,
@@ -390,7 +390,7 @@ class Entry(Widget, tkinter.Entry):
         exportselection: bool = ...,
         font: _FontDescription = ...,
         foreground: str = ...,
-        invalidcommand: str | list[str] | tuple[str, ...] | Callable[[], bool] = ...,
+        invalidcommand: str | list[str] | tuple[str, ...] | Callable[[], object] = ...,
         justify: Literal["left", "center", "right"] = ...,
         show: str = ...,
         state: str = ...,
@@ -421,7 +421,7 @@ class Combobox(Entry):
         font: _FontDescription = ...,  # undocumented
         foreground: str = ...,  # undocumented
         height: int = 10,
-        invalidcommand: str | list[str] | tuple[str, ...] | Callable[[], bool] = ...,  # undocumented
+        invalidcommand: str | list[str] | tuple[str, ...] | Callable[[], object] = ...,  # undocumented
         justify: Literal["left", "center", "right"] = "left",
         name: str = ...,
         postcommand: Callable[[], object] | str = "",
@@ -448,7 +448,7 @@ class Combobox(Entry):
         font: _FontDescription = ...,
         foreground: str = ...,
         height: int = ...,
-        invalidcommand: str | list[str] | tuple[str, ...] | Callable[[], bool] = ...,
+        invalidcommand: str | list[str] | tuple[str, ...] | Callable[[], object] = ...,
         justify: Literal["left", "center", "right"] = ...,
         postcommand: Callable[[], object] | str = ...,
         show=...,
@@ -477,7 +477,7 @@ class Combobox(Entry):
         font: _FontDescription = ...,
         foreground: str = ...,
         height: int = ...,
-        invalidcommand: str | list[str] | tuple[str, ...] | Callable[[], bool] = ...,
+        invalidcommand: str | list[str] | tuple[str, ...] | Callable[[], object] = ...,
         justify: Literal["left", "center", "right"] = ...,
         postcommand: Callable[[], object] | str = ...,
         show=...,
@@ -1068,7 +1068,7 @@ class Spinbox(Entry):
         format: str = "",
         from_: float = 0,
         increment: float = 1,
-        invalidcommand: str | list[str] | tuple[str, ...] | Callable[[], bool] = ...,  # undocumented
+        invalidcommand: str | list[str] | tuple[str, ...] | Callable[[], object] = ...,  # undocumented
         justify: Literal["left", "center", "right"] = ...,  # undocumented
         name: str = ...,
         show=...,  # undocumented
@@ -1099,7 +1099,7 @@ class Spinbox(Entry):
         format: str = ...,
         from_: float = ...,
         increment: float = ...,
-        invalidcommand: str | list[str] | tuple[str, ...] | Callable[[], bool] = ...,
+        invalidcommand: str | list[str] | tuple[str, ...] | Callable[[], object] = ...,
         justify: Literal["left", "center", "right"] = ...,
         show=...,
         state: str = ...,