1. Open to doubt or suspicion
   - doubtful, dubious, dubitable, doubtable

See also: questionable

• overspend
• overspill
• overspread
• overstate
• overstated
• overstatement
• overstay
• oversteer
• overstep
• overstock
• overstrain
• overstress
• overstretch
• overstrict
• overstrung
• overstuff
• overstuffed
• overstuffed chair
• oversubscribe
• oversubscribed
• oversupply
• oversuspicious
• overt
• overt operation
• overtake