Word.ws English Dictionary

jack jumper

jack jumper noun: any of various small species of ant of the genus Myrmecia, often capable of jumping and having a painful sting.

Noun

jack jumper (plural jack jumpers)

  1. (Australia) Any of various small species of ant of the genus Myrmecia, often capable of jumping and having a painful sting.
    • Glancing back at Hordern's gravestone, I saw that the absent metal letters exposed a pattern of nail holes like woodworm. A jack-jumper ant crawled over his age – he was 63 – and disappeared into the nettles.2004, Nicholas Shakespeare, In Tasmania, Harvill Press, p. 261
    Synonyms:
    jumper

Synonyms of jack jumper

Forms of jack jumper

pluraljack jumpers

Questions about jack jumper

What does jack jumper mean?
Jack jumper means any of various small species of ant of the genus Myrmecia, often capable of jumping and having a painful sting.
What part of speech is jack jumper?
Jack jumper is a noun.
What is the plural of jack jumper?
The plural of jack jumper is jack jumpers.

Words near jack jumper in the dictionary

  1. jack in
  2. Jack in the Crack
  3. Jack in the green
  4. jack into
  5. jack it
  6. jack jumper
  7. Jack Ketch
  8. Jack Ketches
  9. jack mackerel
  10. jack mackerels
  11. Jack Mormon

Source and license

Adapted from Wiktionary: jack jumper (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “jack jumper.” Word.ws, https://word.ws/jack_jumper. Based on Wiktionary, CC BY-SA 4.0.