seq.

/S EH1 K/
noun
  1. 1

    The events, collectively, which follow a previously mentioned event; the aftermath.

  2. 2

    A narrative that is written after another narrative set in the same universe, especially a narrative that is chronologically set after its predecessors, or (perhaps improper usage) any narrative that has a preceding narrative of its own.

  3. 3

    Thirlage.

  4. 4

    A person's descendants.

Antonyms

Source: https://en.wiktionary.org/wiki/seq., https://en.wiktionary.org/wiki/sequel