diff --git a/ext/bg/js/translator.js b/ext/bg/js/translator.js
index 26ce1f5a..df43993f 100644
--- a/ext/bg/js/translator.js
+++ b/ext/bg/js/translator.js
@@ -909,6 +909,30 @@ class Translator {
         return [...uniqueDictionaryNames];
     }
 
+    _getUniqueTermTags(definitions) {
+        const newTermTags = [];
+        if (definitions.length <= 1) {
+            for (const {termTags} of definitions) {
+                for (const tag of termTags) {
+                    newTermTags.push(this._cloneTag(tag));
+                }
+            }
+        } else {
+            const tagsSet = new Set();
+            let checkTagsMap = false;
+            for (const {termTags} of definitions) {
+                for (const tag of termTags) {
+                    const key = this._getTagMapKey(tag);
+                    if (checkTagsMap && tagsSet.has(key)) { continue; }
+                    tagsSet.add(key);
+                    newTermTags.push(this._cloneTag(tag));
+                }
+                checkTagsMap = true;
+            }
+        }
+        return newTermTags;
+    }
+
     *_getArrayVariants(arrayVariants) {
         const ii = arrayVariants.length;
 
@@ -970,12 +994,9 @@ class Translator {
         return this._createTag(name, category, notes, order, score, dictionary, redundant);
     }
 
-    _cloneTags(tags) {
-        const results = [];
-        for (const tag of tags) {
-            results.push(this._cloneTag(tag));
-        }
-        return results;
+    _getTagMapKey(tag) {
+        const {name, category, notes} = tag;
+        return this._createMapKey([name, category, notes]);
     }
 
     _createMapKey(array) {
@@ -1066,10 +1087,11 @@ class Translator {
     }
 
     _createGroupedTermDefinition(definitions) {
-        const {expression, reading, furiganaSegments, reasons, termTags, source, rawSource, sourceTerm} = definitions[0];
+        const {expression, reading, furiganaSegments, reasons, source, rawSource, sourceTerm} = definitions[0];
         const score = this._getMaxDefinitionScore(definitions);
         const dictionaryPriority = this._getMaxDictionaryPriority(definitions);
         const dictionaryNames = this._getUniqueDictionaryNames(definitions);
+        const termTags = this._getUniqueTermTags(definitions);
         const termDetailsList = [this._createTermDetails(sourceTerm, expression, reading, furiganaSegments, termTags)];
         const sourceTermExactMatchCount = (sourceTerm === expression ? 1 : 0);
         return {
@@ -1090,7 +1112,7 @@ class Translator {
             furiganaSegments, // Contains duplicate data
             // glossary
             // definitionTags
-            termTags: this._cloneTags(termTags),
+            termTags,
             definitions, // type: 'term'
             frequencies: [],
             pitches: [],
diff --git a/test/data/test-translator-data.json b/test/data/test-translator-data.json
index e29075f5..45f7dd09 100644
--- a/test/data/test-translator-data.json
+++ b/test/data/test-translator-data.json
@@ -7957,6 +7957,24 @@
                                         "score": 0,
                                         "dictionary": "Test Dictionary 2",
                                         "redundant": false
+                                    },
+                                    {
+                                        "name": "tag6",
+                                        "category": "default",
+                                        "notes": "",
+                                        "order": 0,
+                                        "score": 0,
+                                        "dictionary": "Test Dictionary 2",
+                                        "redundant": false
+                                    },
+                                    {
+                                        "name": "tag7",
+                                        "category": "default",
+                                        "notes": "",
+                                        "order": 0,
+                                        "score": 0,
+                                        "dictionary": "Test Dictionary 2",
+                                        "redundant": false
                                     }
                                 ],
                                 "termFrequency": "normal",
@@ -8038,6 +8056,24 @@
                                 "score": 0,
                                 "dictionary": "Test Dictionary 2",
                                 "redundant": false
+                            },
+                            {
+                                "name": "tag6",
+                                "category": "default",
+                                "notes": "",
+                                "order": 0,
+                                "score": 0,
+                                "dictionary": "Test Dictionary 2",
+                                "redundant": false
+                            },
+                            {
+                                "name": "tag7",
+                                "category": "default",
+                                "notes": "",
+                                "order": 0,
+                                "score": 0,
+                                "dictionary": "Test Dictionary 2",
+                                "redundant": false
                             }
                         ],
                         "definitions": [