diff --git a/README.md b/README.md
index 9ac570c..87e323a 100644
--- a/README.md
+++ b/README.md
@@ -106,6 +106,12 @@ $inflector->ordinalize(1002);                        // "1002nd"
 $inflector->ordinalize(1003);                        // "1003rd"
 $inflector->ordinalize(-11);                         // "-11th"
 $inflector->ordinalize(-1021);                       // "-1021st"
+
+# uncountable
+
+$inflector->is_uncountable("advice");                // true
+$inflector->is_uncountable("weather");               // true
+$inflector->is_uncountable("cat");                   // false
 ```
 
 Helpers makes it easy to use default locale inflections.
diff --git a/lib/inflector.php b/lib/inflector.php
index 7e00e0e..8984388 100644
--- a/lib/inflector.php
+++ b/lib/inflector.php
@@ -75,7 +75,7 @@ static public function get($locale = self::DEFAULT_LOCALE)
 	 *
 	 * @param Inflections $inflections
 	 */
-	protected function __construct(Inflections $inflections = null)
+	public function __construct(Inflections $inflections = null)
 	{
 		$this->inflections = $inflections ?: new Inflections;
 	}
@@ -458,4 +458,26 @@ public function ordinalize($number)
 	{
 		return $number . $this->ordinal($number);
 	}
+
+	/**
+	 * Returns true if the word is uncountable, false otherwise.
+	 *
+	 * <pre>
+	 * $this->is_uncountable('advice');    // true
+	 * $this->is_uncountable('weather');   // true
+	 * $this->is_uncountable('cat');       // false
+	 * </pre>
+	 *
+	 * @param string $word
+	 *
+	 * @return bool
+	 */
+	public function is_uncountable($word)
+	{
+		$rc = (string) $word;
+
+		return $rc
+			&& preg_match('/\b[[:word:]]+\Z/u', downcase($rc), $matches)
+			&& isset($this->inflections->uncountables[$matches[0]]);
+	}
 }
diff --git a/tests/InflectorTest.php b/tests/InflectorTest.php
index 7ed4eeb..3322fd1 100755
--- a/tests/InflectorTest.php
+++ b/tests/InflectorTest.php
@@ -330,4 +330,14 @@ public function test_titleize_accentuated_characters()
 	{
 		$this->assertEquals("L'été Aux Âmes Inouïes", self::$inflector->titleize("l'été_aux_âmes_inouïes"));
 	}
+
+	public function test_is_uncountable()
+	{
+		$inflections = new Inflections();
+		$inflections->uncountable($uncountable = uniqid());
+		$inflector = new Inflector($inflections);
+
+		$this->assertTrue($inflector->is_uncountable($uncountable));
+		$this->assertFalse($inflector->is_uncountable(uniqid()));
+	}
 }