The Nuggets had won six in a row. Oklahoma City boosted the NBA's best record to 31-8 by capturing its fifth straight.
Westbrook scored 32 points, hitting 12-of-20 from the field as part of Oklahoma City's 51-percent shooting performance. The Thunder opened a 16-point lead after one period and had a 25-point cushion heading into the final quarter.
Denver was led by 16 points from Kosta Koufos. The Nuggets' starters produced just 46 points.
Wisconsin business offering 'therapeutic cuddling' forced to close
India Supreme Court upholds old law that gay sex is criminal offense