half the time

:  either of two equal parts that compose something

:  a part approximately equal to one of these

:  one of a pair: such as

:  being one of two equal parts

:  that is approximately equal to either of two equal parts that compose something :  amounting to approximately half

:  falling short of the full or complete thing :  partial

:  in an equal part or degree

:  not completely :  partially

:  by any means :  at all

:  the measured or measurable period during which an action, process, or condition exists or continues :  duration

:  a nonspatial continuum that is measured in terms of events which succeed one another from past through present to future

:  leisure

:  to arrange or set the time of :  schedule

:  to regulate (a watch) to keep correct time

:  to set the tempo, speed, or duration of

:  of or relating to time

:  recording time

:  timed to ignite or explode at a specific moment