(set phrase) Time is an essential consideration (in regard to an action or response); haste is necessary.

(astronomy) Time measured by the apparent diurnal motion of the vernal equinox; approximated by that based on the rotation of planet Earth relative to the seemingly fixed stars.

(intransitive, military) To march at double time. / (transitive, military) To order troops to march at double time.

(idiomatic) Purposefully cause a delay, in order to achieve something else.

(US, slang) The police.

Mean solar time reckoned from midnight by adding twelve hours.

(idiomatic, marching) To march in place, while still in step with the beat. / (by extension, figuratively) To stop making progress temporarily; to wait or stand still.

Used other than figuratively or idiomatically: see about, time. / Close to the right time. / (idiomatic) Far past the desired time.

(idiomatic) A period of time where one is not required to work.

Of or pertaining to a specific time in the past. / Occurring or used in a single instance and then never again.