imperforate /im-pûrˈfə-rət/ or imperforated /-rā-tid/

1. Not pierced through or perforated
2. Having no opening
3. Lacking an opening, esp as a result of abnormal development, as in imperforate anus (medicine)
4. Without perforations as a means of separation, as a sheet of postage stamps

imperˈforable adjective

imperforāˈtion noun

• unprisoned
• unprisoning
• unprisons
• unprivileged
• unprizable
• unprized
• unprocedural
• unprocessed
• unproclaimed
• unprocurable
• unproduced
• unproductive
• unproductively
• unproductiveness
• unproductivities
• unproductivity
• unprofaned
• unprofessed
• unprofessional
• unprofessionally
• unprofitabilities
• unprofitability
• unprofitable
• unprofitableness
• unprofitably