key on

verb

To anticipate a play by watching and analyzing the movements of one's opponent(s).

“She keyed me on to the plan.”

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Meanings

verbkey on (third-person singular simple present keys on, present participle keying on, simple past and past participle keyed on)

present singular third person keys on · participle present keying on · participle past keyed on · past keyed on

  1. hobbiesTo anticipate a play by watching and analyzing the movements of one's opponent(s).
  2. informalTo instruct or make (someone) aware of (something).

    She keyed me on to the plan.

Cite this entry
APA

key on. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/key%20on

MLA

“key on.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/key%20on. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “key on,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/key%20on.

Source: key on on Wiktionary, CC BY-SA 4.0.