(rare) Characterised by dirt or dirtiness; dirty

An amount of dirt

plural of dirtful

(chiefly US) Soil or earth. / A stain or spot (on clothes etc); any foreign substance that worsens appearance. / Previously unknown facts, or the invented "facts", about a person.

(transitive, rare) To make foul or filthy; soil; befoul; dirty

(Ireland) Acronym of Deposit Interest Retention Tax.

present participle of dirt

plural of dirt

Third-person singular simple present indicative form of dirt

simple past tense of dirt