Related Clues:
- Like old milk
- Like tart? Heavy metal band picks up two, separately
- Moody — acid
- Fermented, as milk
- Lemony in taste
- Sharp American intelligence organisation gets backing about detectives
- Almost certain to include pill perhaps that is bitter
- Grouchy
- Sharp detectives in rising intelligence organisation
- Sour-tasting, not alkaline
- Being sour to the taste
- Having a sour or bitter taste
- Sharp reverse for intelligence agency involving endless risk
- Ours turned and turned
- Sharp- or tart-tasting