1. Open to doubt or suspicion
   - doubtful, dubious, dubitable, in question 
2. [archaic] Inspiring fear
   - formidable, redoubtable, unnerving

See also: alarming, questionable

• mombin
• mombin tree
• moment
• moment magnitude scale
• moment of a couple
• moment of a magnet
• moment of inertia
• moment of truth
• momentaneous
• momentarily
• momentariness
• momentary
• momently
• momentous
• momentously
• momentousness
• momentum
• momism
• momma
• Mommsen
• mommy
• Momordica
• Momordica balsamina
• Momordica charantia
• Momos