"What kind of message are we sending if someone can arbitrarily, with fact-free allegations, take away your vote after you've followed all the rules?"

Amnesty called on Iran to release the dozens of other dual nationals, and many other non-violent political prisoners, who it said were being arbitrarily detained.

Randomly killing and arbitrarily destroying, it has taken on near-supernatural dimensions, appearing at times to be laughing as it sped through brush and buildings, forcing thousands to flee.

Or is something else happening; is the press manifesting an unadmitted genuflection to raw power, exercised arbitrarily, out of calculated self-preservation?

His decision to arbitrarily withdraw from the Iran nuclear deal was reckless.