Related Clues:
- Least sweet
- Tangiest
- Maximally sharp
- Most likely to elicit a pucker
- Most lemony
- Most acidic
- Most like rhubarb, flavorwise
- Most pucker-producing
- Most tangy
- Maximally tangy
- Most pucker-inducing
- Are you soundly sleeping? Most obstinate
- Most puckery
- Most cutting exam after tell-tale turned up
- Most determined to make uniform, then relax