TILL
1 —prep. 1 up to or as late as (wait till six o`clock). 2 up to the time of (faithful till death). —conj. 1 up to the time when (wait till i return). 2 so long that (laughed till i cried). [old norse: related to *till3] usage in all senses, till can be replaced by until which is more formal in style.