WordWeb Online

1. Having the same or nearly the same characteristics
   "they looked utterly alike"; "friends are generally alike in background and taste"; "all politicians are alike";
   - similar, like

1. Equally
   "parents and teachers alike demanded reforms";
   - likewise
    
2. In a like manner
   "they walk alike"

See also: alikeness [rare], likeness, similitude

Antonym: dissimilar

Encyclopedia: Alike