jack jumper

noun

Any of various small species of ant of the genus Myrmecia, often capable of jumping and having a painful sting.

Similar
jumper
First used 19th c.
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Meanings

nounjack jumper (plural jack jumpers)

plural jack jumpers

  1. AustraliaAny of various small species of ant of the genus Myrmecia, often capable of jumping and having a painful sting.First known use 19th c.

    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 & antonyms

nounAny of various small species of ant of the genus Myrmecia, often capable of jumping and having a painful sting.

Similar
jumper
Also see
inchman
Cite this entry
APA

jack jumper. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/jack%20jumper

MLA

“jack jumper.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/jack%20jumper. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “jack jumper,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/jack%20jumper.

Source: jack jumper on Wiktionary, CC BY-SA 4.0.