The dollar index slid to 97.824 on Friday, after rising 0.3 percent on previous trade session, set for a weekly loss of 1.4 percent.
The greenback eased 0.25 percent to 111.225 yen, on track for a 1.8 percent drop for the week.
The pound was flat at $1.2945.
The euro was firm at $1.11. It reached a six-month peak on Thursday but gave up the recent gains.