Yes, reject is a Scrabble word!
...and is worth 15 points in Scrabble, and 18 points in Words with Friends
reject
Verb
1. Refuse to accept or acknowledge
2. Refuse to accept
3. Deem wrong or inappropriate
4. Reject with contempt
5. Resist immunologically the introduction of some foreign tissue or organ
6. Refuse entrance or membership
7. Dismiss from consideration or a contest
Noun
1. The person or thing that is rejected or set aside as inferior in quality
What Scrabble words can I make with the letters in reject?
5 Letter Words
4 Letter Words
Sponsored Links
3 Letter Words
2 Letter Words