A gliding, slipping, or gradual falling; an unobserved or
imperceptible progress or passing away,; – restricted usually to
immaterial things, or to figurative uses.

The termination of a right or privilege through neglect to
exercise it within the limited time, or through failure of some
contingency; hence, the devolution of a right or privilege.

A fall or apostasy.

To pass slowly and smoothly downward, backward, or away;
to slip downward, backward, or away; to glide; – mostly restricted to
figurative uses.

To slide or slip in moral conduct; to fail in duty; to
fall from virtue; to deviate from rectitude; to commit a fault by
inadvertence or mistake.

To fall or pass from one proprietor to another, or from
the original destination, by the omission, negligence, or failure of
some one, as a patron, a legatee, etc.

To become ineffectual or void; to fall.

To let slip; to permit to devolve on another; to allow to
pass.

To surprise in a fault or error; hence, to surprise or
catch, as an offender.