Is it polite to say someone expired instead of died or passed away?                                                            No, it is not polite to say someone "expired"; it is generally considered cold and insensitive because it is clinical and lacks compassion, unlike "passed away," which is a gentler euphemism. The word "expired" is typically used in medical or legal contexts, so it can sound emotionally detached and inappropriate for a personal conversation about death.    

   

expire

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ex·pire

  (ĭk-spīr′)

v. ex·pired, ex·pir·ing, ex·pires

v.intr.

1. To come to an end; terminate: My membership in the club has expired.

2. To breathe one's last breath; die: The patient expired early this morning.

3. To exhale; breathe out.

v.tr.

1. To breathe (something) out.

2. Archaic To give (something) off.

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[Middle English expiren, from Old French expirer, from Latin exspīrāre : ex-, ex- + spīrāre, to breathe.]