noticeable in WordNet English dictionary

1. capable of being detected
   "after a noticeable pause the lecturer continued"
   detectable  noticeable 
   
2. capable or worthy of being perceived
   "noticeable shadows under her eyes"; "noticeable for its vivid historical background"; "a noticeable lack of friendliness"
   noticeable 
   
3. undesirably noticeable
   "the obtrusive behavior of a spoiled child"; "equally obtrusive was the graffiti"
   obtrusive  noticeable 
   
4. readily noticed
   "a noticeable resemblance"
   noticeable