The best replacement for until is till.

The best alternatives to until are rated as following:
★★★★★  till
★★★  unless
★★  til
★★  by
★★  before
★★  up to
★  through
★  untill
★  until
★  by the time
★  by grammar
★  to
★  while
★  as long as
  do while
  not until
  up till
  postpone to
  till grammar
  postponed to
  extended to
  wait till
  from to
  as soon as

Your alternative for until is not listed? Suggest!
Speaking about until, one probably shouldn't forget about past perfect.

Other search terms related to until and their ratings are:
★★★★★ past perfect
You have in mind a companion for until and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of until in all years. Click on graph for more.
until
till
unless