This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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v. To take the place of; replace.

v. To cause to be set aside, especially to displace as inferior or antiquated. See Synonyms at replace.

v. Set (something) aside.

v. Take the place of.

v. Displace in favour of another.

n. An updated newsgroup post that supersedes an earlier version.

v. To come, or be placed, in the room of; to replace.

v. To displace, or set aside, and put another in place of.

v. To make void, inefficacious, or useless, by superior power, or by coming in the place of; to set aside; to render unnecessary; to suspend; to stay.

v. To omit; to forbear.

To make void, inefficacious, or useless by superior power, or by coming in the place of; set aside; render unnecessary; suspend; stay.

To be placed in or take the room of; displace; supplant; replace: as, an officer superseded by another.

v. take the place or move into the position of

"These terms supersede all prior agreements and (together with the Privacy Policy) are complete and exclusive."

superseded    supersedes    superseding   

succeed    come after    follow   

supersession    supersedure   

displace    usurp    preempt    deputise    substitute    oust    deputize    step in   

suspend    stay    omit    forbear    replace    usurp    supplant   

Aristide    Bede    Ede    Gilead    Mead    Meade    Read    Reed    Reid    Sinead