"This means significant rate hikes at this winter's remaining meetings," Rehn, who sits on the ECB's rate-setting Governing Council, told a webinar with the Peterson Institute for International Economics.

The ECB has raised rates by a combined 2.5 percentage points since July and promised "a steady pace" of hikes over the coming months.

(Reporting by Balazs Koranyi; Editing by Peter Graff)