1) a period of gradual and continued loss of importance, strength (decline)
going on without stopping
constant, unending
without beginning or end; lasting for ever
without pause; endless
having much extent in space (length); to want, wish for, a person, thing very much
extended in space or time
going on for a long time or without stopping
continual, lasting
taking a long time
long
of, in or forming a series; a story, TV play etc produced in parts
in continuing order
never wanting to stop
determined, persevering