diff --git a/lib/searchkick.rb b/lib/searchkick.rb
index 5f2babd..5924a3c 100644
--- a/lib/searchkick.rb
+++ b/lib/searchkick.rb
@@ -27,6 +27,7 @@ require "searchkick/relation"
 require "searchkick/relation_indexer"
 require "searchkick/results"
 require "searchkick/version"
+require "searchkick/where"
 
 # integrations
 require "searchkick/railtie" if defined?(Rails)
diff --git a/lib/searchkick/relation.rb b/lib/searchkick/relation.rb
index 88d3a63..f9e2d3b 100644
--- a/lib/searchkick/relation.rb
+++ b/lib/searchkick/relation.rb
@@ -89,8 +89,12 @@ module Searchkick
     end
 
     # experimental
-    def where(value)
-      clone.where!(value)
+    def where(value = NO_DEFAULT_VALUE)
+      if value == NO_DEFAULT_VALUE
+        Where.new(self)
+      else
+        clone.where!(value)
+      end
     end
 
     # experimental
diff --git a/lib/searchkick/where.rb b/lib/searchkick/where.rb
new file mode 100644
index 0000000..2cb4298
--- /dev/null
+++ b/lib/searchkick/where.rb
@@ -0,0 +1,11 @@
+module Searchkick
+  class Where
+    def initialize(relation)
+      @relation = relation
+    end
+
+    def not(value)
+      @relation.where(_not: value)
+    end
+  end
+end
diff --git a/test/where_test.rb b/test/where_test.rb
index 05de1c8..828e783 100644
--- a/test/where_test.rb
+++ b/test/where_test.rb
@@ -97,6 +97,10 @@ class WhereTest < Minitest::Test
 
     # rewhere
     assert_search_relation ["Product A", "Product C"], Product.search("product").where(in_stock: true).rewhere(backordered: true)
+
+    # not
+    assert_search_relation ["Product C", "Product D"], Product.search("product").where.not(in_stock: true)
+    assert_search_relation ["Product C"], Product.search("product").where.not(in_stock: true).where(backordered: true)
   end
 
   def test_where_string_operators
--
libgit2 0.21.0