The dollar index rose less than expected in October prompted bets the Fed would scale back its hefty interest rate hikes.
Waller did say that the Fed could now start thinking about hiking at a slower pace.
The comments, however, poured cold water on investor hopes for a "rapid Fed recalibration," said Adam Button, chief currency analyst at ForexLive in Toronto.
The euro fell 0.24% against the dollar to $1.0322, after rising to a three-month high during Asian trading hours.
The dollar index, which gauges the greenback against a basket of six other major currencies including the euro, yen, and sterling, rose 0.74% to 107.072.