transient β not lasting, enduring, or permanent; transitory.
bounded β (of a set) having a bound, esp where a measure is defined in terms of which all the elements of the set, or the differences between all pairs of members, are less than some value, or else all its members lie within some other well-defined set
curtailed β to cut short; cut off a part of; abridge; reduce; diminish.
on time β the system of those sequential relations that any event has to any other, as past, present, or future; indefinite and continuous duration regarded as that in which events succeed one another.
evanescent β Soon passing out of sight, memory, or existence; quickly fading or disappearing.
fleeting β swift; rapid: to be fleet of foot; a fleet horse.
restrained β characterized by restraint: The actor gave a restrained performance.
subdued β quiet; inhibited; repressed; controlled: After the argument he was much more subdued.
airy β If a building or room is airy, it has a lot of fresh air inside, usually because it is large.
buoyant β If you are in a buoyant mood, you feel cheerful and behave in a lively way.
delicate β Something that is delicate is small and beautifully shaped.
fun β something that provides mirth or amusement: A picnic would be fun.