Related Clues:

• Spelled-out
• Free partner
• Straighten, as wires
• Without a cloud in the sky
• "C" on a calculator
• Air condition?
• Unambiguous
• Like good explanations
• Weather forecast, at times
• Unblocked
• Not obstructed
• "It Came Upon a Midnight ___"
• Transparent and lucid
• Straighten out, free from mesh
• Free from obstruction