Crossword Heaven

Answer: UNSOUND

UNSOUND is a crossword puzzle answer that we have spotted 11 times.

• Not good, as ideas go
• Not firm, as a foundation
• Likely to fail
• Fallacious
• Apt to break
• Faulty, as a plan
• Illogical
• Not healthy
• Not feasible
• Ill-conceived
• Rickety, say