Clue: Emphatic yes, in the Yucatán

Answer: SISI

Length: 4

---

Similar Clues:

• One of Joe Theismann's bones infamously broken by Lawrence Taylor on "Monday Night Football" (TIBIA with 5 letters)
• Number inaugurated into this puzzle's theme answers (XLIV with 4 letters)
• He built and sold theremins before inventing his namesake instrument (MOOG with 4 letters)
• Yesterday, in the Yucatán (AYER with 4 letters)
• Nickname of a Chicago expressway, with “The” (IKE with 3 letters)
• Yucatán native (e.g. MAYA with 4 letters)
• Yucatán Indian (e.g. MAYA with 4 letters)
• Ancient Yucatán native (MAYA with 4 letters)
• Yucatán inhabitant, once (MAYA with 4 letters)
• Yucatán indigene (MAYA with 4 letters)