sweat blood

verb

To work very hard.

Similar
sweat one's guts outsweat bullets
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Meanings

verbsweat blood (third-person singular simple present sweats blood, present participle sweating blood, simple past and past participle sweated blood or sweat blood)

present singular third person sweats blood · participle present sweating blood · participle past sweated blood · past sweated blood

  1. informalTo work very hard.

    Synonyms: sweat one's guts out

  2. informalTo be extremely anxious.

    Synonyms: sweat bullets

Synonyms & antonyms

verbTo work very hard.

Similar
sweat one's guts out

verbTo be extremely anxious.

Similar
sweat bullets
Also see
bust one's buttbust one's necksweat bulletssweat one's guts out
Cite this entry
APA

sweat blood. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/sweat%20blood

MLA

“sweat blood.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sweat%20blood. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “sweat blood,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/sweat%20blood.

Source: sweat blood on Wiktionary, CC BY-SA 4.0.