Non-ephemeral

[ih-fem-er-uh l] /ɪˈfɛm ər əl/

adjective
1.
lasting a very short time; short-lived; transitory:
the ephemeral joys of childhood.
2.
lasting but one day:
an ephemeral flower.
noun
3.
anything short-lived, as certain insects.
/ɪˈfɛmərəl/
adjective
1.
lasting for only a short time; transitory; short-lived: ephemeral pleasure
noun
2.
a short-lived organism, such as the mayfly
3.
a plant that completes its life cycle in less than one year, usually less than six months
adj.

1560s; see ephemera + -al (1). Related: Ephemerality. Originally of diseases and lifespans; extended sense of “transitory” is from 1630s.

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