In that sense we are certainly all not infrequently like madmen, but with the slight difference that the deranged are somewhat madder, for we must draw a line.
Of course he knew that Sonia’s position was an exceptional case, though unhappily not unique and not infrequent, indeed; but that very exceptionalness, her tinge of education, her previous life might, one would have thought, have killed her at the first step on that revolting path.
There are no more uses of "infrequent" in the book.
Show samples from other sources
You’d be surprised how infrequently I get something I truly want."
Kiera Cass -- The Elite
Gradually, their visits became shorter and more infrequent.