have seen one's day

== English == === Alternative forms === have had one's day have had one's day under the sun === Pronunciation === === Verb === have seen one's day (third-person singular simple present has seen one's day, present participle having seen one's day, simple past and past participle had seen one's day) (idiomatic) Of a person, thing, idea, etc., to be at the point in a life cycle or career of no longer being useful or effective; to be worn-out. ==== Usage notes ==== To have seen better days and to have seen one's day have similar meanings. However, to have seen one's day may indicate that the subject is completely worn-out and of no use whatever, while to have seen better days may indicate that the subject is not fully worn-out and still has some functionality even if it is well past its peak condition. === See also === has-been have seen better days over the hill