diff --git a/src/Nonemm.App/Windows/EntryWindow.axaml.cs b/src/Nonemm.App/Windows/EntryWindow.axaml.cs
index ae9e612..0a435af 100644
--- a/src/Nonemm.App/Windows/EntryWindow.axaml.cs
+++ b/src/Nonemm.App/Windows/EntryWindow.axaml.cs
@@ -374,7 +374,29 @@ public sealed partial class EntryWindow : Window
         }
         // typing answers whatever the status bar was reporting
         message = "";
-        Refresh();
+        RefreshAfterTyping();
+    }
+
+    private bool typingRefreshPosted;
+
+    /// Refresh redraws this window and every open tool window, which is too
+    /// slow to run between two key presses. It runs once the key presses
+    /// waiting in the queue have been handled, so fast typing costs one
+    /// refresh instead of one per letter.
+    private void RefreshAfterTyping()
+    {
+        if (typingRefreshPosted)
+        {
+            return;
+        }
+        typingRefreshPosted = true;
+        Dispatcher.UIThread.Post(
+            () =>
+            {
+                typingRefreshPosted = false;
+                Refresh();
+            },
+            DispatcherPriority.Background);
     }
 
     /// Set by Alt+W. Releasing Alt moves focus to the menu bar, so the