Such "datives of manner or respect" are not infrequent with adj.
So altogether effective a weapon should never rust from infrequent use!
Of the infrequent visitors who came thither, none knelt or prayed.
I had become a not infrequent visitor to the Level of the Free Women.
Still, their friendship got no further than these infrequent visits.
Their duties were slight and infrequent, so that they had plenty of leisure.
These men who remained in camp were enjoying the infrequent luxury of a day off.
Such deference is no infrequent tribute to well-bred reserve.
To be sure, one reply of the physicians is not infrequent and carries some weight.
The stream was one that he had, at infrequent intervals, visited before.