knock dead

verb

To amaze or greatly impress (someone) by delivering an outstanding performance.

“I'm feeling very confident about my job interview. I'm going to go in and knock 'em dead.”

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Meanings

verbknock dead (third-person singular simple present knocks dead, present participle knocking dead, simple past and past participle knocked dead)

present singular third person knocks dead · participle present knocking dead · participle past knocked dead · past knocked dead

  1. informaltransitiveTo amaze or greatly impress (someone) by delivering an outstanding performance.

    I'm feeling very confident about my job interview. I'm going to go in and knock 'em dead.

Cite this entry
APA

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

MLA

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

Chicago

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

Source: knock dead on Wiktionary, CC BY-SA 4.0.