Wiktionary
adv. occasionally; intermittently; irregularly; now and then; once in a while.
WordNet
adv. occasionally; "every so often she visits her father" [syn: every now and then]
Usage examples of "every so often".
In the conversation which followed it was explained that because, centuries before, a Queen of Khauran had cohabited with a pre-Adamite demon, every so often a witch would be born in the royal family.
Betty understood that every so often her mother needed time to rest.
He just stands there and watches as Uncle Jack putt-putts away on his little boat, turning back every so often to wave at him with his fine Panama hat.
You feel that they want you every so often to try to get out of here so that is why you’.
It wouldn't matter if the world lines didn't merge every so often.
The neighbors also said Kipper rarely if ever entertains visitors, but every so often there was a blond lady around.
Betty sat and listened and nodded, but every so often her gaze would wander toward the back door, which was now leaning against the door frame with no means of attachment, the hinges hanging there uselessly.
Not only that, but he had to stand every so often and stretch his legs, because he could feel them cramping up on him.