diff --git a/02_morphology_files/interjection.md b/02_morphology_files/interjection.md
new file mode 100644
index 00000000..9d0d2870
--- /dev/null
+++ b/02_morphology_files/interjection.md
@@ -0,0 +1,7 @@
+# Interjection
+An interjection is a category of words. 
+
+An interjection is used to express a sudden or strong feeling. A writer or speaker used an interjection when he wanted people to pay attention to what he said.
+
+An interjection can be a word that is not used with other words. 
+