1. Impossible to find
   "the book is practically introuvable"

See also: absent

• 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
• obtainment
• obtention