ephemerally

For brief moments

In a way that lasts only briefly or exists for a short time.

Something that appears ephemerally comes and goes quickly: The fog settled ephemerally over the valley before burning off.

The word applies to fleeting moments, temporary states, or things not meant to endure: Data stored ephemerally disappears when the session ends.

momentary

instantaneous

Happening without any delay

twinkling · heartbeat · nanosecond · glimpse · snapshot · sudden · quick · rapid · fleeting · brief

fleeting

evanescent

Tending to vanish quickly

fading · flitting · passing · dissipating · evaporating · melting · withering · decaying · elusive · volatile

temporary

provisional

Conditional and possibly temporary

makeshift · pro tem · tentative · conditional · terminable · revocable · impermanent · limited · placeholder · transient

Opposites
temporal duration

ephemerallypermanently

In an unchanging manner

enduringly · perpetually · eternally · lastingly · everlastingly

permanence and stability

ephemerallyimmutably

In unalterable manner

indelibly · steadfastly · fixedly · constantly · stably

Phrases
Family

ephemeral, ephemerality, ephemerals

Familiarity
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Used worldwide · Timeless · Abstract · Everyday, not technical · Rated G