Related Clues:
- Liable to sudden change
- Maculate (like a leopard?)
- Irregular and unpredictable
- Head of school, a bit daft and inconsistent
- Changeable, so changeable, very changeable
- Eric admits informer is unpredictable
- Algebraic uncertainty
- Unreliable boy harbours vermin
- Having gaps, as coverage
- Unreliable boy catches rodent
- Wayward boy captures vermin
- Sort of criteria I once dismissed as unpredictable
- One found in volcanic crater may be inconsistent
- Very unreliable chap who's a rodent catcher
- Inconsistent, dodgy criteria I'll have abandoned