Related Clues:
- Stick stuck in rising river wore away
- Gradually narrowing
- Formality rigid (as you might say!) diminished gradually
- Irishman turned up before last of band and whittled away
- Record Socialist dwindling to nothing?
- Ate into
- Lost some ground
- Narrowed gradually
- Pointed exchange between sections of bureaucracy
- Like cliffs that have seen better days
- Worn away by deed or action
- Eaten away, like the first words of 17-, 31-, 48- and 65-Across in order?
- Reducing to a final point
- Like the pointed end of a pencil
- Became gradually smaller