View definitions for twenty-first century

twenty-first century

adjective as in modern

Strongest matches

Strong matches

Weak matches

adjective as in ultramodern

Discover More

The clever makers of twenty-first-century firearms on Earth had cut down the shout of a .30 caliber to a trivial snap.

Start each day with the Synonym of the Day in your inbox!

By clicking "Sign Up", you are accepting Dictionary.com Terms & Conditions and Privacy Policies.

Browse