A sloping downward, e.g. of a hill or road. (noun)
A weakening. (noun)
A reduction or diminution of activity. (noun)
To move downwards, to fall, to drop. (verb)
To become weaker or worse. (verb)
To refuse, forbear. (verb)
To list the inflected forms of a noun, pronoun (and in some languages adjective) for case and number. (verb)
Examples of word decline
By now the manner of writing about a Pope in decline is as ritualized as a Holy Thursday mass at Saint Peter's.
The pinyons died mainly because of an Ips epidemic I am not a big fan of the term decline as it is usually used for trees.
This is the first time, I think I had ever use the term decline in reporting EPR's financial results.
This decline is the result of long-term trends — increasing foreign competition and, especially, the relentless replacement of people with machines — that look unlikely to abate.
I would argue, however, that to some degree this decline is a product of SF being too successful (see also my prior post on the death of the sf short story).