on the case

prepositional phrase

Actively working on something.

“Near-synonym: on the job”

Similar
on iton the job
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Meanings

prepositional phrase
  1. informalActively working on something.

    Near-synonym: on the job

    Synonyms: on it, on the job

Synonyms & antonyms

prepositional phraseActively working on something.

Similar
on iton the job
Also see
on iton the job

Origin

From the idea of a detective trying to solve a crime or mystery.

Full word history & related roots →
Cite this entry
APA

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

MLA

“on the case.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/on%20the%20case. Accessed November 4, 2026.

Chicago

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

Source: on the case on Wiktionary, CC BY-SA 4.0.