Home › Words › U › undepressionundepressionundepression means absence or reversal of a depressed state.EtymologyFrom un- + depression.nounAbsence or reversal of a depressed statee.g.“The volatile acid was identified as isovaleric acid by comparison of its infrared spectrum with that of an authentic sample and by undepression of mixed melting points of their p-bromophenacylester.” — 1961, Journal of antibiotics, volume 14:The lack or absence of depression; antidepressione.g.“Take this matter of Depression; it is caused by Being Miserable, which is in turn caused by Being Fed-up. Could we but unfeed ourselves, undepression would naturally follow.” — 1931, Mark Lemon, Henry Mayhew, Tom Taylor, Punch - Volume 181:Definitions & examples from Wiktionary (CC BY-SA 3.0).