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English definition of “dirt”

dirt

noun [U] (NOT CLEAN)    /dɜːt/ US  /dɝːt/
B1 dust , soil , or any substance that makes a surface not clean : His coat was covered with dirt.Dirt and untidiness mainly US soil on the ground : I've been digging in the dirt, planting seeds .Soil informal solid waste : I got some dog dirt on my shoes .Excrement and its excretion
(Definition of dirt noun (NOT CLEAN) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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