twenty-four-seven

24/7


adverb
  1. informal twenty-four hours a day, seven days a week; constantly; all the time: consultants would not be available 24/7

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

How to use twenty-four-seven in a sentence