1) (especially of two or more opposing political systems, countries) to exist (peacefully) at the same time (coexist)
2) (an example of) the condition when events happen at the same time as if this had been arranged (coincidence)
3) unwanted piece of paper, wrappings, bottles etc left lying about in a room; all the young ones of an animal born at the same time (litter)
4) having more than one wife at the same time (polygamy)
5) happening or done at the same time (simultaneous)
6) (seeming to be) present everywhere or in several places at the same time (ubiquitous)
(during the) interval between two events
in the intervening time
happening or done at the same time
happening at about the same time
happening at about the same time
happening at about the same time
(used especially to form questions) at what time; on what occasion; during what period
though
during the time that; although; but (in contrast); a period of time; to pass time etc in a lazy way
as long as
while (which is much more usual)
as long as