pulverize

(verb) make into a powder by breaking up or cause to become dust. Synonyms: powderize, powderise, powder, pulverise. Example: "Pulverize the grains."

(verb) destroy completely. Synonyms: demolish, pulverise. Examples: "The wrecking ball demolished the building." "Demolish your enemies." "Pulverize the rebellion before it gets out of hand."

(verb) become powder or dust. Synonyms: powderize, pulverise, powderise. Example: "When it was blown up, the building powderized."