Adjective
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thickly covered with ingrained dirt or soot
"a miner's begrimed face"
"dingy linen"
"grimy hands"
"grubby little fingers"
"a grungy kitchen"
-
suggestive of or tending to moral looseness
"lewd whisperings of a dirty old man"
"an indecent gesture"
"obscene telephone calls"
"salacious limericks"
-
earthy and sexually explicit
"a raunchy novel"