Etymology: Previous versions of the OED give the stress as: unimporˈtunely.
(un-prefix1 5.)
ΚΠ
1657 Earl of Monmouth tr. P. Paruta Politick Disc. 42 Rather..to dissemble their injuries and suspitions, then by unimportunely revenging the one and assertaining the other, put their affairs in greater danger.
This entry has not yet been fully updated (first published 1924; most recently modified version published online June 2021).