Washington
Abbreviate the state as Wash. Never abbreviate when referring to the U.S. capital. Use state of Washington or Washington state and Washington, D.C., or District of Columbia when the context requires distinction between the state and the federal district. Also, see Capitalization, state and state names.

website
One word, lowercase w. A website is a location on the World Wide Web that maintains one or more pages at a specific address. Also webcam, webcast, webmaster, webpage, and webfeed, but web address and web browser. (updated July 2016) Also, see Computer terminology.

weeklong
One word as an adjective.

weights
Use figures: The baby weighed 9 pounds, 7 ounces. She had a 9-pound, 7-ounce boy.

well-being

Western Washington
See Capitalization; directions, regions.

which
See clauses; essential, nonessential, that, which, and who, whom.

who, whom
Use who in referring to people and to animals with a name. It is grammatically the subject (never the object) of the sentence, clause, or phrase: John Jones is the man who helped me. Who is there? Whom is used when someone is the object of a verb or preposition: The woman to whom the room was rented left the window open. Whom do you wish to see? Also, see clauses; essential, nonessential, and that, which.

Wi-Fi
For wireless networking standards. Also, see Computer terminology.

Work-Study, work-study
Capitalize in the formal name of the program and application: Federal Work-Study Program, State Work-Study Program, Federal/State Work-Study, Work-Study Employment Application
Use lowercase in casual references: work-study program, work-study opportunity, work-study application
NOTE: Do not use work-study student. The preferred term is student staff member.

worldwide

World Wide Web
Or the web. A service, or set of standards, that enables the publishing of multimedia documents on the internet. The web is not the same as the internet, but is a subset; other applications, such as email, exist on the internet. Also, see Computer terminology and internet.