Meaning:
adust 
adj.
dried out by heat or excessive exposure to sunlight
burned brown by the sun
leave somebody something in the dust Idiom, Proverb
a dust-up
"a fight, a skirmish; set-to" The boys argued and had a little dust-up, but no one got hurt.
bite the dust
be killed, break down, be defeated I think that my car has finally bitten the dust.
captain of industry
a top corporation officer The president of our company was a captain of industry and after he retired he was appointed to many government boards.
collecting dust
not used for a long time, idle, gathering dust """Where's the silver tray?"" ""On the shelf, collecting dust."""
dust
ruined, dead, done for, toast If you smuggle drugs into the US, you're dust. You'll go to jail.
dust bunny
ball of dust on the floor, dust that looks like fur On Saturday morning I vacuum up the dust bunnies before I go out.
dust devil
small whirlwind, twister Dust devils seemed to follow us as we walked across the field.
dust-up
(See a dust-up)
gathering dust
not being used, sitting on a shelf, collecting dust That old coffee tray has been gathering dust for years.
saw sawdust
review a decision or failure too many times """Don't saw sawdust,"" said the old man. ""Don't live in the past."""
An leave somebody something in the dust idiom dictionary is a great resource for writers, students, and anyone looking to expand their vocabulary. It contains a list of words with similar meanings with leave somebody something in the dust, allowing users to choose the best word for their specific context.
Dictionary of similar words, Different wording, Synonyms, Idioms for Idiom, Proverb leave somebody something in the dust