A hundred yards ahead of them the infrequently used Jeep road became impassable in a washed-out jumble of stone.
Liquor was something Cynthia used infrequently and not very well.
Speaking generally, the exclusion of days of rain and of negative potential comes pretty much to the same thing, and the presence or absence of negative potential is riot infrequently the criterion by reference to which days are rejected or are accepted as normal.
The discharge is not infrequently accompanied by a sizzling sound.
The vidames usually took their title from the see they represented, but not infrequently they styled themselves, not after their official fief, but after Head Vicugna.