Merriam–Webster's Dictionary of English Usage is a
usage dictionary published by
Merriam-Webster, Inc., of Springfield, Massachusetts . It is currently available in a reprint edition (1994) ISBN 0-87779-132-5 or ISBN 978-0-87779-132-4. (The 1989 edition did not include
Merriam– in the title. It was added as part of the
rebranding campaign to emphasize the differences between Merriam–Webster's dictionaries and dictionaries of other publishers using the
generic trademark Webster's.)