diff --git a/src/harness/fourslashInterfaceImpl.ts b/src/harness/fourslashInterfaceImpl.ts
index 7479d2258c43d..c7a2f1d0f035b 100644
--- a/src/harness/fourslashInterfaceImpl.ts
+++ b/src/harness/fourslashInterfaceImpl.ts
@@ -1292,6 +1292,7 @@ namespace FourSlashInterface {
             "let",
             "package",
             "yield",
+            "abstract",
             "as",
             "asserts",
             "any",
@@ -1495,6 +1496,7 @@ namespace FourSlashInterface {
             "let",
             "package",
             "yield",
+            "abstract",
             "as",
             "asserts",
             "any",
diff --git a/src/services/completions.ts b/src/services/completions.ts
index 764e64c32e104..2bb3e8f27d2a0 100644
--- a/src/services/completions.ts
+++ b/src/services/completions.ts
@@ -2960,6 +2960,7 @@ namespace ts.Completions {
                         || kind === SyntaxKind.ModuleKeyword
                         || kind === SyntaxKind.TypeKeyword
                         || kind === SyntaxKind.NamespaceKeyword
+                        || kind === SyntaxKind.AbstractKeyword
                         || isTypeKeyword(kind) && kind !== SyntaxKind.UndefinedKeyword;
                 case KeywordCompletionFilters.FunctionLikeBodyKeywords:
                     return isFunctionLikeBodyKeyword(kind);
diff --git a/tests/baselines/reference/completionsCommentsClass.baseline b/tests/baselines/reference/completionsCommentsClass.baseline
index 1285092cc1f07..f6625952f041c 100644
--- a/tests/baselines/reference/completionsCommentsClass.baseline
+++ b/tests/baselines/reference/completionsCommentsClass.baseline
@@ -3672,6 +3672,18 @@
             }
           ]
         },
+        {
+          "name": "abstract",
+          "kind": "keyword",
+          "kindModifiers": "",
+          "sortText": "15",
+          "displayParts": [
+            {
+              "text": "abstract",
+              "kind": "keyword"
+            }
+          ]
+        },
         {
           "name": "as",
           "kind": "keyword",
diff --git a/tests/baselines/reference/completionsCommentsClassMembers.baseline b/tests/baselines/reference/completionsCommentsClassMembers.baseline
index d9fdda9493a03..b3fd787cd6b58 100644
--- a/tests/baselines/reference/completionsCommentsClassMembers.baseline
+++ b/tests/baselines/reference/completionsCommentsClassMembers.baseline
@@ -86508,6 +86508,18 @@
             }
           ]
         },
+        {
+          "name": "abstract",
+          "kind": "keyword",
+          "kindModifiers": "",
+          "sortText": "15",
+          "displayParts": [
+            {
+              "text": "abstract",
+              "kind": "keyword"
+            }
+          ]
+        },
         {
           "name": "as",
           "kind": "keyword",
@@ -91852,6 +91864,18 @@
             }
           ]
         },
+        {
+          "name": "abstract",
+          "kind": "keyword",
+          "kindModifiers": "",
+          "sortText": "15",
+          "displayParts": [
+            {
+              "text": "abstract",
+              "kind": "keyword"
+            }
+          ]
+        },
         {
           "name": "as",
           "kind": "keyword",
diff --git a/tests/baselines/reference/completionsCommentsCommentParsing.baseline b/tests/baselines/reference/completionsCommentsCommentParsing.baseline
index 50779f72e866d..6da2d73bc7fbe 100644
--- a/tests/baselines/reference/completionsCommentsCommentParsing.baseline
+++ b/tests/baselines/reference/completionsCommentsCommentParsing.baseline
@@ -23145,6 +23145,18 @@
             }
           ]
         },
+        {
+          "name": "abstract",
+          "kind": "keyword",
+          "kindModifiers": "",
+          "sortText": "15",
+          "displayParts": [
+            {
+              "text": "abstract",
+              "kind": "keyword"
+            }
+          ]
+        },
         {
           "name": "as",
           "kind": "keyword",
@@ -41018,6 +41030,18 @@
             }
           ]
         },
+        {
+          "name": "abstract",
+          "kind": "keyword",
+          "kindModifiers": "",
+          "sortText": "15",
+          "displayParts": [
+            {
+              "text": "abstract",
+              "kind": "keyword"
+            }
+          ]
+        },
         {
           "name": "as",
           "kind": "keyword",
diff --git a/tests/baselines/reference/completionsCommentsFunctionExpression.baseline b/tests/baselines/reference/completionsCommentsFunctionExpression.baseline
index b5ea10ef6f795..52b00c2a5d86a 100644
--- a/tests/baselines/reference/completionsCommentsFunctionExpression.baseline
+++ b/tests/baselines/reference/completionsCommentsFunctionExpression.baseline
@@ -3579,6 +3579,18 @@
             }
           ]
         },
+        {
+          "name": "abstract",
+          "kind": "keyword",
+          "kindModifiers": "",
+          "sortText": "15",
+          "displayParts": [
+            {
+              "text": "abstract",
+              "kind": "keyword"
+            }
+          ]
+        },
         {
           "name": "as",
           "kind": "keyword",
@@ -8289,6 +8301,18 @@
             }
           ]
         },
+        {
+          "name": "abstract",
+          "kind": "keyword",
+          "kindModifiers": "",
+          "sortText": "15",
+          "displayParts": [
+            {
+              "text": "abstract",
+              "kind": "keyword"
+            }
+          ]
+        },
         {
           "name": "as",
           "kind": "keyword",