transitory

katoavainen, väliaikainen, lyhytaikainen lasting Lasting only a short time; temporary.
1704, w:Jonathan Swift|Jonathan Swift, s:A Tale of a Tub/Section I - The Introduction|A Tale of a Tub, Section I - The Introduction,

Secondly, that the materials being very transitory, have suffered much from inclemencies of air, especially in these north-west regions.

Quite unconscious of the demonstrations of their amorous neighbour, or their effects upon the susceptible bosom of her mama, Kate Nickleby had, by this time, begun to enjoy a settled feeling of tranquillity and happiness, to which, even in occasional and transitory glimpses, she had long been a stranger.

For a moment she paused by the taxi-stand and watched them--wondering that but a few years before she had been of their number, ever setting out for a radiant Somewhere, always just about to have that ultimate passionate adventure for which the girls' cloaks were delicate and beautifully furred, for which their cheeks were painted and their hearts higher than the transitory dome of pleasure that would engulf them, coiffure, cloak, and all.

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