| perpetual state | 1.32 | The people live in a perpetual state of fear. | ||
| perpetual smile | 1.25 | Her mouth remains poised in a perpetual smile. | ||
| perpetual check | 0.72 | Kramnik had nothing better than perpetual check. | ||
| perpetual grin | 0.59 | It seems to wear a perpetual grin. | ||
| perpetual fear | 0.46 | Tight waistbands and perpetual fear of the scales. | ||
| perpetual bond | 0.39 | It is a perpetual bond with coupon d and a required rate of return r B. | ||
| perpetual campaign | 0.39 | The result could be a perpetual campaign that AFL-CIO officials hope will pay off at election time. | ||
| perpetual struggle | 0.39 | Art is the name of a perpetual human struggle with the limits of perception. | ||
| perpetual student | 0.39 | His mother was sort of a perpetual student. | ||
| perpetual problem | 0.33 | Shoddy ethics is a perpetual problem in Washington. | ||
| perpetual war | 0.33 | The region is in a state of perpetual war. | ||
| perpetual youth | 0.33 | It is as though they have a perpetual youth. | ||
| perpetual care | 0.26 | Ask the cemetery for a copy of an audit of its perpetual care fund. | ||
| perpetual conflict | 0.26 | Whereas, in fact, many of the longest-lasting Marriages are those between people who exist in perpetual conflict. | ||
| perpetual motion | 0.26 | Small for a flanker but in perpetual forward motion. | ||
| perpetual outsider | 0.26 | How did this climber from Down Under, this perpetual outsider, get the inside track? |