caducity

== English == === Etymology === From French caducité; see caducous. === Noun === caducity (usually uncountable, plural caducities) Dotage or senility. The state of being impermanent or transitory. ==== Synonyms ==== (state of being impermanent or transitory): ephemerality, impermanence, transiency; see also Thesaurus:transience ==== Translations ====