[1] : The Collaborative International Dictionary of English v.0.48

smutty \smut"ty\, a. compar. smuttier; superl. smuttiest.
   1. soiled with smut; smutted.
      1913 webster

   2. tainted with mildew; as, smutty corn.
      1913 webster

   3. obscene; not modest or pure; as, a smutty saying.
      1913 webster

            the smutty joke, ridiculously lewd.   --smollett.
      1913 webster -- smut"tily, adv. -- smut"tiness, n.
      1913 webster
see also:
smuttier smuttiest smut"tily smut"tiness 

Smuttier >> S Words
Smuttier, definition of term: Smuttier
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