The test was very popular for many years after its development but is now used infrequently.

While popular during the 1950s, these terms are infrequently used today.

Outside these areas, however, it appears to be infrequently used.

Both officials and many peasants, however, say such methods are used infrequently.

But Channel 11's running clock was used far too infrequently.

However, it is infrequently used as a chord in itself.

Despite being in the team, Anderson's bowling was used infrequently.

The parental plan is infrequently used in Spain as well.

These terms are now infrequently used in the study of matroids.

It is used infrequently but most commonly in heavy metal music.