Predecessor Definition

prĕdĭ-sĕsər, prēdĭ-
predecessors
noun
predecessors
A person who precedes or preceded another, as in office.
Webster's New World
A thing followed or replaced by another thing, as in use.
Webster's New World
An ancestor; forefather.
Webster's New World

A model or type of machinery or device which precedes the current one. Usually used to describe an earlier, outdated model.

The steam engine was the predecessor of diesel and electric locomotives.
Wiktionary

(mathematics) A vertex having a directed path to another vertex.

Wiktionary
Antonyms:
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Other Word Forms of Predecessor

Noun

Singular:
predecessor
Plural:
predecessors

Origin of Predecessor

  • Middle English predecessoure from Old French predecesseur from Late Latin praedēcessor Latin prae- pre- Latin dēcessor a retiring magistrate (from dēcessus) (past participle of dēcēdere to depart) (dē- away de–) (cēdere to go ked- in Indo-European roots)

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin prae (“before") + decedo (“go away").

    From Wiktionary

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