D defs.my
Entry 1 sense Webster, 1913

24/7

/(twĕn"tēfôr-sĕv"en)/ · IPA
01 adj. & adv. Without interruption; non-stop; continuous; as, the computer manufacturer provides 24/7 technical help.
  1. 1.
    Without interruption; non-stop; continuous; as, the computer manufacturer provides 24/7 technical help.
Syn. twenty-four-seven, 7/24