Yes, damp is a Scrabble word!
...and is worth 9 points in Scrabble, and 11 points in Words with Friends
damp
Verb
1. Deaden (a sound or noise), especially by wrapping
2. Restrain or discourage
3. Make vague or obscure or make (an image) less visible
4. Lessen in force or effect
Adjective
1. Slightly wet
Noun
1. A slight wetness
What Scrabble words can I make with the letters in damp?
3 Letter Words
2 Letter Words