The Collaborative International Dictionary
twenty-four-seven
twenty-four-seven \twenty-four-seven\ adj. & adv. (tw[e^]n"t[=e]f[^o]r-s[e^]v"en) [From 24 hours per day, 7 days per week.] Without interruption; non-stop; continuous; as, the computer manufacturer provides 24/7 technical help.
Syn: 24/7, 7/24