Meanings of often unacknowledged in English

THE imagination plays an important but often unacknowledged role in scientific research.

Each day you'll encounter a wonderfully diverse but often unacknowledged range of energies.

His bounty is like the sea, which, though often unacknowledged, is everywhere felt.

His letter is worth considering because it reveals very neatly an often unacknowledged seam of militaristic sentimentality in Irish-America.

However, its history and relevance to the people of Ngāti Toa are often unacknowledged by advertisers and marketing companies, according to academic Jeremy Hapeta.

I should also like to thank all the publishing teams in marketing, publicity, and sales for the excellent, but often unacknowledged, work that they do.