Not in the period of most frequent or heaviest use: lower rates for telephone calls made during off-peak hours; travelers who take advantage of off-peak fares. (adjective)
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 "off-peak" in a sentence
"Pacific Gas & Electric Co., for example, offers lower rates if plug-in owners charge their vehicles at off-peak, late-night hours."
"On Tuesday, American Airlines said it is offering a fare of $299 each way, with a round-trip purchase, for off-peak travel through the end of June from any American or American Eagle city in the U.S. to any of six destinations in Argentina and Brazil."
"Monday, the westbound Interstate 66 high-occupancy vehicle ramps at Monument Drive and Stringfellow Road in Fairfax County will open to all westbound traffic on weekends and during off-peak hours."