Clue: Moving __ (improving)

Answer: ONUP

Length: 4

---

Similar Clues:

• Moving like a Blue ____ (STREAK with 6 letters)
• Moving ____ (VAN with 3 letters)
• ____ vera (ALOE with 4 letters)
• _____ Millay of "Red River" (TESS with 4 letters)
• San Francisco's _____ Tower (COIT with 4 letters)
• Fish with a moving line (TROLL with 5 letters)
• _____ Bandito of commercials (FRITO with 5 letters)
• El ____: museum (PRADO with 5 letters)
• Seuss's ''Horton Hears _____'' (AWHO with 4 letters)
• ____ cit (LOC with 3 letters)