Definition of filthy dirtyinformal
- Her clothes were filthy dirty.
: covered with, containing, or characterized by filth
: underhand, vile
: in a filthy manner
: very, exceedingly
: not clean or pure
: likely to befoul or defile with a soiling substance (such as mud, dust, or grime)
: contaminated with infecting organisms
: in a dirty (see 1dirty) manner: such as
: deceptively, underhandedly
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