Solutions become dull has 24 entries with similar clues
- dimDull
- dunDull greyish-brown colour
- acheDull hurt
- flatDull
- drabDull
- staidDull
- vapidDull
- matteDull
- drearyGrey and dull
- boringDull
- tediousDull
- mundaneDull
- humdrumDull
- tiresomeMind-numbingly dull
- boeotianDull or obtuse
- vegetateLive a dull, passive life
- dismissalsack is small, having dull exterior
- lacklustreDull
- platitudesDull common places
- anticlimaxDull ending
- fuddy-duddyConservative and dull
- uninterestingDull
- as-dry-as-dustExtremely dull
- stick-in-the-mudDull, unadventurous person