Test your knowledge - and maybe learn something along the way.TAKE THE QUIZ
as in documentsomething presented to show that someone is the person they claim to be As we waited in the security line, the officer told us to have our ID cards ready.
Synonyms & Similar Words
Antonyms & Near Antonyms
Love words? Need even more definitions?Merriam-Webster unabridged
Words at Play
Ask the Editors