diff --git a/CHANGELOG.md b/CHANGELOG.md
index dec497ea..f8864a06 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 ### enhancements
 
 * Add support for Rails 7.0.0.alpha. (by [@f-mer](https://github.com/f-mer))
+* Add support for negative shallow scopes. (by [@nashby](https://github.com/nashby))
 
 ## 2.4.0 (December 12, 2020)
 
diff --git a/lib/enumerize/scope/activerecord.rb b/lib/enumerize/scope/activerecord.rb
index 8bf16720..bd090d26 100644
--- a/lib/enumerize/scope/activerecord.rb
+++ b/lib/enumerize/scope/activerecord.rb
@@ -42,6 +42,10 @@ def _define_activerecord_shallow_scopes!(attribute_name)
           define_singleton_method(value_obj) do
             where(attribute_name => value_obj.value)
           end
+
+          define_singleton_method("not_#{value_obj}") do
+            where.not(attribute_name => value_obj.value)
+          end
         end
       end
     end
diff --git a/lib/enumerize/scope/mongoid.rb b/lib/enumerize/scope/mongoid.rb
index da1c6e6c..81d2f654 100644
--- a/lib/enumerize/scope/mongoid.rb
+++ b/lib/enumerize/scope/mongoid.rb
@@ -39,6 +39,10 @@ def _define_mongoid_shallow_scopes!(attribute_name)
           define_singleton_method(value_obj) do
             self.in(attribute_name => value_obj.value)
           end
+
+          define_singleton_method("not_#{value_obj}") do
+            self.not_in(attribute_name => value_obj.value)
+          end
         end
       end
     end
diff --git a/lib/enumerize/scope/sequel.rb b/lib/enumerize/scope/sequel.rb
index f64b8ad4..59616dc4 100644
--- a/lib/enumerize/scope/sequel.rb
+++ b/lib/enumerize/scope/sequel.rb
@@ -45,6 +45,10 @@ def _define_sequel_shallow_scopes!(attribute_name)
           def_dataset_method(value_obj) do
             where(attribute_name => value_obj.value.to_s)
           end
+
+          def_dataset_method("not_#{value_obj}") do
+            exclude(attribute_name => value_obj.value.to_s)
+          end
         end
       end
     end
diff --git a/test/activerecord_test.rb b/test/activerecord_test.rb
index 462969be..e3ba6ebb 100644
--- a/test/activerecord_test.rb
+++ b/test/activerecord_test.rb
@@ -375,8 +375,8 @@ def self.name
   it 'adds scope' do
     User.delete_all
 
-    user_1 = User.create!(status: :active, role: :admin)
-    user_2 = User.create!(status: :blocked)
+    user_1 = User.create!(sex: :female, skill: :noob, status: :active, role: :admin)
+    user_2 = User.create!(sex: :female, skill: :casual, status: :blocked)
     user_3 = User.create!(sex: :male, skill: :pro)
 
     expect(User.with_status(:active)).must_equal [user_1]
@@ -388,6 +388,9 @@ def self.name
 
     expect(User.male).must_equal [user_3]
     expect(User.pro).must_equal [user_3]
+
+    expect(User.not_male.to_set).must_equal [user_1, user_2].to_set
+    expect(User.not_pro.to_set).must_equal [user_1, user_2].to_set
   end
 
   it 'ignores not enumerized values that passed to the scope method' do
diff --git a/test/mongoid_test.rb b/test/mongoid_test.rb
index 8bcb56f6..dd21b2dc 100644
--- a/test/mongoid_test.rb
+++ b/test/mongoid_test.rb
@@ -119,8 +119,8 @@ class MongoidUser
   it 'adds scope' do
     model.delete_all
 
-    user_1 = model.create!(sex: :male, role: :admin)
-    user_2 = model.create!(sex: :female, role: :user)
+    user_1 = model.create!(sex: :male, skill: :noob, role: :admin, account_type: :basic)
+    user_2 = model.create!(sex: :female, skill: :noob, role: :user, account_type: :basic)
     user_3 = model.create!(skill: :pro, account_type: :premium)
 
     expect(model.with_sex(:male).to_a).must_equal [user_1]
@@ -136,6 +136,9 @@ class MongoidUser
 
     expect(model.pro.to_a).must_equal [user_3]
     expect(model.premium.to_a).must_equal [user_3]
+
+    expect(model.not_pro.to_set).must_equal [user_1, user_2].to_set
+    expect(model.not_premium.to_set).must_equal [user_1, user_2].to_set
   end
 
   it 'chains scopes' do
diff --git a/test/sequel_test.rb b/test/sequel_test.rb
index b857b547..140ad588 100644
--- a/test/sequel_test.rb
+++ b/test/sequel_test.rb
@@ -257,8 +257,8 @@ class SkipValidationsLambdaWithParamUser < Sequel::Model(:users)
     it 'adds scope' do
       User.filter{ true }.delete
 
-      user_1 = User.create(status: :active, role: :admin)
-      user_2 = User.create(status: :blocked)
+      user_1 = User.create(sex: :female, skill: :noob, status: :active, role: :admin)
+      user_2 = User.create(sex: :female, skill: :casual, status: :blocked)
       user_3 = User.create(sex: :male, skill: :pro)
 
       expect(User.with_status(:active).to_a).must_equal [user_1]
@@ -271,6 +271,9 @@ class SkipValidationsLambdaWithParamUser < Sequel::Model(:users)
       expect(User.having_role(:admin).to_a).must_equal [user_1]
       expect(User.male.to_a).must_equal [user_3]
       expect(User.pro.to_a).must_equal [user_3]
+
+      expect(User.not_male.to_set).must_equal [user_1, user_2].to_set
+      expect(User.not_pro.to_set).must_equal [user_1, user_2].to_set
     end
 
     it 'allows either key or value as valid' do