Clue: Powerfully effective

Answer: POTENT

Length: 6

---

Similar Clues:

• "The Powerfully Effective, Take It Only When You Need It, Sinus and Allergy Medicine" (QLEARQUIL with 9 letters)
• Effectiveness of a coat at the beach?: Abbr. (SPF with 3 letters)
• Ingredients for effective window-washing? (TOILANDVINEGAR with 14 letters)
• Effective date in law (NISI with 4 letters)
• Effective use (AVAIL with 5 letters)
• Effectively treat (HEAL with 4 letters)
• Be an effective boss (MAKETHINGSHUM with 13 letters)
• Powerfully built athletes (STRAPPERS with 9 letters)
• Make more effective (HONE with 4 letters)
• Search more effectively, maybe (SPLITUP with 7 letters)