Bedeutung von “smudge” im Essential American English Dictionary

smudge

verb us /smʌdʒ/ present participle smudging, past tense and past participle smudged

If ink, paint, etc. smudges, or if it is smudged, it becomes dirty or not clear because someone has touched it:

Be careful that you don’t smudge the drawing.

(Definition von “smudge verb” aus dem Webster's Essential Mini Dictionary © Cambridge University Press)