The definition of ephemeral is something that has a very short lifespan or lasts for a very short time.
Of brief duration; transitory:
That may perish; esp., liable to spoil or deteriorate, as some foods
Something that will last for only a limited period of time; transitory. Temporary is meaningless with regard to the duration of the length of time that it will last; however, it is used to designate absence of permanence.
The definition of interim is something that takes place during the time between two specified periods.
Having the nature of a temporary provision; arranged or established for the time being, pending permanent arrangement or establishment
Designed for or limited to short distances:
Payable or reaching maturity within a relatively brief time, such as a year:
Intended, used, or present for a limited time
The definition of permanent is someone or something that is supposed to last for a very long time.
Find another word for impermanent. In this page you can discover 17 synonyms, antonyms, idiomatic expressions, and related words for impermanent, like: ephemeral, evanescent, fleeting, passing, perishable, temporary, transient, interim, provisional, short-range and short-term.