intransitive. To become musty. Also figurative.

intransitive. To become obsolete or outmoded; = to go out of fashion at fashion, n. 11.

intransitive. To become old, out of date, or lifeless; to cease to be active or exciting; to lose the capacity to absorb or reflect new ideas or…

intransitive. To grow stale; get out of fashion, become uninteresting.

intransitive. To bear evidence of being of a certain date or period; (in later use chiefly) to be or become old-fashioned or outdated.