- not permanent; fleeting; transitory
WordReference Random House Learner's Dictionary of American English © 2026
im•per•ma•nent /ɪmˈpɜrmənənt/USA pronunciation
adj.
im•per•ma•nent•ly, adv. See -man-2.
WordReference Random House Unabridged Dictionary of American English © 2026- not permanent:impermanent physical beauty.
im•per•ma•nent•ly, adv. See -man-2.
im•per•ma•nent
(im pûr′mə nənt),USA pronunciation adj.
im•per′ma•nence, im•per′ma•nen•cy, n.
im•per′ma•nent•ly, adv.
- not permanent or enduring;
transitory.
- im-2 + permanent 1645–55
im•per′ma•nent•ly, adv.
- fleeting, temporary, ephemeral, evanescent.
Collins Concise English Dictionary © HarperCollins Publishers::
impermanent /ɪmˈpɜːmənənt/ adj
'impermanent' also found in these entries (note: many are not synonyms or translations):