diff --git a/syntaxhl.h b/syntaxhl.h
index 6ec2ac8..7f8a0b4 100644
--- a/syntaxhl.h
+++ b/syntaxhl.h
@@ -29,6 +29,7 @@ char *HTML_HL_extensions[] = {".html", ".html", NULL};
 char *PHP_HL_extensions[] = {".php", NULL};
 char *LUA_HL_extensions[] = {".lua", NULL};
 char *MAN_HL_extensions[] = {".1", ".2", ".3", ".4", ".5", ".6", ".7", ".8", ".man", ".mdoc", ".1b", ".mandoc", NULL};
+char *NIMF_HL_extensions[] = {".nh", ".nimf", ".nf", NULL};
 
 
 // 2. Create a list of keywords. Keywords that end in "|" will be given
@@ -110,6 +111,13 @@ char *MAN_HL_keywords[] = {
   ".TP", NULL
 };
 
+// Nimf
+char *NIMF_HL_keywords[] = {
+  "do", "loop", ":", ";", "if", "then", "else", "error", "exit", "halt",
+  ". |", "and|", "or|", "drop|", "<r|", "r>|", "@|", "!|", "var", "svar",
+  "over|", "dup|", NULL
+};
+
 static struct editorSyntax HLDB[] = {
 // 3. Add an entry to the editorSyndax db (this var). 
 //    See the C example comments for what each array member
@@ -186,7 +194,16 @@ static struct editorSyntax HLDB[] = {
     ".end",
     MAN_HL_keywords,
     HL_HIGHLIGHT_STRINGS
-  }
+  },
+  {
+    "nimf",
+    NIMF_HL_extensions,
+    NULL,
+    "( ",
+    " )",
+    NIMF_HL_keywords,
+    HL_HIGHLIGHT_STRINGS
+  },
 };
 
 #define HLDB_ENTRIES (sizeof(HLDB) / sizeof(HLDB[0]))