undepression noun2 •Absence or reversal of a depressed stateThe 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 •The lack or absence of depression; antidepressionTake 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
