• no longer valid; expired

Synonyms: expired, void, invalid, run out, out of date, terminated, discontinued, unrenewed

• (of a right, privilege, or agreement) become invalid because it is not used, claimed, or renewed; expire

Synonyms: expired, void, invalid, run out, out of date, terminated, discontinued, unrenewed, expire, become void, become invalid, run out, terminate, become obsolete

• pass gradually into (an inferior state or condition)

Synonyms: deteriorate, decline, fall, fall off, drop, worsen, degenerate, decay, rot, backslide, regress, retrogress, get worse, sink, wane, slump, fail