Answer: while

AnswerCrossword Clue
WHILEShort time
WHILEWorth ...
WHILEAlthough
WHILEMean or worth follower
WHILEChurchill's "... England Slept"
WHILEPeriod of time
WHILETime period
WHILEWorth one's ...
WHILEIndefinite wait
WHILEPeriod of time.
WHILEEffort taken
whileat or during this time; all along
whileto pass time pleasantly
whileworth one's time, trouble, or expense
whileduring the time that
whileto cause (time) to pass pleasantly
whileinterval of time
whileeven though
WHILEIndefinite period
WHILEConsiderable time
WHILEEven though
WHILEVague time period
WHILEDuring the time that
WHILESandra Bullock's "... You Were Sleeping"
WHILEAs long as
WHILEDuring
WHILESpend leisurely, with "away"
WHILEFiddle away, as with time
WHILE"Whistle .. You Work"
WHILEOnce in a .. (occasionally)
WHILEShort space of time.
WHILESpace of time.
WHILEDuring.
WHILEAs long as.
WHILEDuring the time that.
WHILEShort time.