1. Synonyms for Arbitrarily include indiscriminately, aimlessly, blindly, randomly, unsystematically, at random, chaotically, erratically, haphazardly and injudiciously

2. Synonyms for Blindly include sightlessly, unseeingly, without sight, without vision, purBlindly, eyelessly, darkly, airily, indiscriminately and injudiciously