Definition of labefaction in English:

labefaction

noun

mass nounarchaic
  • Deterioration or downfall.

    • ‘The English language and the English sense of humour are the best things about our country; the latter lies in no danger of labefaction, but the former must be handled with care.’
    • ‘Several experts have been brought in to plan the labefaction of Napoleon.’
    undoing, ruin, ruination, loss of power, loss of prosperity, loss of status
    View synonyms

Origin

Early 17th century: from Latin labefactio(n-), from labefacere ‘weaken’, from labi ‘to fall’ + facere ‘make’.

Pronunciation

labefaction

/ˌlabɪˈfakʃ(ə)n/