What does "grunt work" mean?

Work (especially that which is heavy, repetitive or mindless) that is considered undesirable and therefore delegated to underlings.

What is a synonym for "grunt work"?

Common synonyms include: donkeywork, grunts.

Pronounced //ɡɹʌ̃nʔwɝk//.

/ɡɹʌ̃nʔwɝk/ noun

noun ·Rare ·Advanced level

Noun

1
Work (especially that which is heavy, repetitive or mindless) that is considered undesirable and therefore delegated to underlings. idiomatic, uncountable
"He plans to hire somebody to do the grunt work of digging the trenches for the pipes."

"He plans to hire somebody to do the grunt work of digging the trenches for the pipes."

From the verb grunt.