leave (someone) in the dust

: bequeath, devise

: to have remaining after one's death

: to cause to remain as a trace or aftereffect

: permission to do something

: authorized especially extended absence from duty or employment

: an act of leaving : departure

: leaf

: some person : somebody

: fine particles of matter (as of earth)

: the particles into which something disintegrates

: something worthless

: to make dusty

: to make free of dust

: to sprinkle with fine particles