Related Clues:
- Prohibit a line that's mundane
- Unoriginal and boring
- Stop a student getting stock
- Dated bonnet that's somewhat battered?
- Rather stale
- Trite; humdrum
- Boringly conventional
- Out of fashion, like ancient headgear
- Put a stop to almost everything trivial
- Outmoded beret that should be thrown out?
- Rather blah
- Unimaginative slogan of beer-minded Prohibitionist left unfinished
- Not the least bit fresh, as writing
- Hold off getting a car that's no longer in fashion
- Clichéd