Definition of "daylong" []

Lasting through the whole day. (adjective)
Through the day; all day. (adverb)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "daylong" in a sentence

"With her were two other student members of the Hillel Jewish Center taking part in daylong “getting to know the other” events between Muslim and Jewish student groups at USC."
"When the government failed to step down after almost two months, Hezbollah called a daylong “strike” on January 23, 2007."
"Still, no participant publicly called the daylong exercise a waste of time."

Words like "daylong"

1-second

3-hour

all-day citywide

closed-door day-long

duringa

four-hour

fourth of july

full-out inaugural long

Ms.

nightlong scholarlike

week-long