impermanent
adjective
[ ɪmˈpəːmənənt ]
• not permanent.
• "life has value precisely because it is transient and impermanent"
Similar:
temporary,
non-permanent,
not permanent,
transient,
transitory,
passing,
fleeting,
momentary,
ephemeral,
fugitive,
fading,
short-lived,
short-term,
short,
brief,
here today and gone tomorrow,
evanescent,
fugacious,
