Definition of "oftentimes"

But because this is oftentimes dangerous, and much hurt hath been received thereby through casualty of fire, I advise the sticking four stakes into the earth, at least five feet above the ground […]

1804, Robert Wissett, On the Cultivation and Preparation of Hemp

Pique and linen also accented several coats and oftentimes were both detachable and formed an overcollar covering a collar made from the coat fabric.

1967, Ann Helen Stroup, An Investigation of the Dress of American Children from 1930 Through 1941 with Emphasis on Factors Influencing Change, page 195

Over the past decade, the very nature of organized crime has changed, with many groups diversifying their income beyond drug trafficking, and large cartels splintering into smaller, oftentimes more nimble groups.

2023 January 10, Whitney Eulich, America Armenta, “Mexico arrests son of ‘El Chapo’: Why don’t citizens feel safer?”, in The Christian Science Monitor