1. Used to express surprise
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Encyclopedia: Gordon Bennett

• obstetrics
• obstinacy
• obstinance
• obstinate
• obstinately
• obstipate
• obstipation
• obstreperous
• obstreperously
• obstreperousness
• obstruct
• obstructed
• obstructer
• obstruction
• obstruction of justice
• obstructionism
• obstructionist
• obstructive
• obstructive shock
• obstructively
• obstructiveness
• obstructor
• obstruent
• obtain
• obtainable