diff --git a/app/src/main/java/fr/uca/iut/urbandictionarylight/model/Definition.kt b/app/src/main/java/fr/uca/iut/urbandictionarylight/model/Definition.kt
index 6c071b5..0947c8f 100644
--- a/app/src/main/java/fr/uca/iut/urbandictionarylight/model/Definition.kt
+++ b/app/src/main/java/fr/uca/iut/urbandictionarylight/model/Definition.kt
@@ -1,5 +1,6 @@
 package fr.uca.iut.urbandictionarylight.model
 
-data class Definition(val content: String, var upvotes: UInt = 0u, val example: String) {
+data class Definition(val content: String, val example: String) {
+    var upvotes: UInt = 0u
     fun upvote() { upvotes++ }
 }
\ No newline at end of file
diff --git a/app/src/main/java/fr/uca/iut/urbandictionarylight/model/Dictionary.kt b/app/src/main/java/fr/uca/iut/urbandictionarylight/model/Dictionary.kt
new file mode 100644
index 0000000..b05b611
--- /dev/null
+++ b/app/src/main/java/fr/uca/iut/urbandictionarylight/model/Dictionary.kt
@@ -0,0 +1,41 @@
+package fr.uca.iut.urbandictionarylight.model
+
+class Dictionary {
+    private val entries: MutableSet<Entry> = mutableSetOf()
+
+    fun createEntry(entry: Entry) {
+        if (entry.phrase.isNotBlank() && entry.readAllDefinitions().isNotEmpty()) {
+            entries.add(entry)
+        }
+    }
+
+    fun readEntry(id: Int): Entry {
+        // TODO implement once ORM is in place
+        return Entry(phrase = "womp womp -- WIP").also { e -> e.createDefinition(e.readDefinition(-1)) }
+    }
+
+    fun readAllEntries() = entries.toSet()
+
+    fun updateEntry(entry: Entry) {
+        // TODO implement once ORM is in place
+//        removeEntry(entry.id)
+        createEntry(entry)
+    }
+
+    // TODO throw this away soon
+    fun updateEntry(old: Entry, new: Entry) {
+        deleteEntry(old)
+        createEntry(new)
+    }
+
+    fun deleteEntry(entry: Entry) {
+        entries.remove(entry)
+    }
+
+    fun deleteEntry(id: Int) {
+        // TODO implement once ORM is in place
+//        entries.removeIf { e -> id == e.id }
+    }
+
+    // TODO ? redefine equals and hashset ?
+}
\ No newline at end of file
diff --git a/app/src/main/java/fr/uca/iut/urbandictionarylight/model/Entry.kt b/app/src/main/java/fr/uca/iut/urbandictionarylight/model/Entry.kt
index dfbbd28..cf9f301 100644
--- a/app/src/main/java/fr/uca/iut/urbandictionarylight/model/Entry.kt
+++ b/app/src/main/java/fr/uca/iut/urbandictionarylight/model/Entry.kt
@@ -56,4 +56,6 @@ class Entry(val phrase: String) {
         // TODO implement once ORM is in place
 //        definitions.removeIf { def -> id == def.id }
     }
+
+    // TODO redefine equals and hashset
 }
\ No newline at end of file