English Reference
noun

predecessor

n.
US /ˈpɹɛdəˌsɛsɝ/ UK /pɹˈiːdɪsˌɛsɐ/ pre·de·ces·sor UK spelling predecessor's, predecessor's

  1. 01 C1 Advanced Formal

    the person who had a job or position before the person who has it now.

    a person who held a specific office or position before the current holder.

    Simple

    The new manager changed many of the rules that her predecessor had created.

    In context

    The incoming prime minister was careful not to openly criticise his predecessor, despite the significant policy shifts he intended to implement.

    Usage

    Often followed by the preposition 'of'.

  2. 02 C1 Advanced Technical Science

    an older version of a machine, tool, or system.

    a model or type of machinery or device that precedes the current version, often implying the earlier one is now outdated.

    Simple

    This new smartphone is much faster than its predecessor.

    In context

    While the current turbine is highly efficient, its predecessor suffered from frequent mechanical failures during high-wind conditions.

  3. 03 C2 Proficiency Technical Math

    a point in a diagram that comes before another point along a path.

    a vertex in a directed graph that has a directed path to another specific vertex.

    Simple

    In this flow chart, point A is the predecessor of point B.

    In context

    The algorithm must identify every predecessor of the target node before it can calculate the shortest path through the network.

    parent node

Even today, with gen Z drinking far less than their predecessors, you still see similar scenes on the underground, although at 4am the train rattles along more quietly, carrying more wreckage.

The Guardian· 13 Aug 2026

As Zambians go to the polls on Thursday, the ghost of the current president’s predecessor hangs over the elections.

The Guardian· 13 Aug 2026

From Middle English predecessour, from Old French predecesseor (“forebear”), from Late Latin praedēcessor, from Latin prae- (“pre-”) + Latin dēcessor (“retiring officer”), from Latin dēcēdō (“I retire, I die”) (English decease).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Latin dēcēdō
Level C1 · Advanced
Frequency Frequent
Updated