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

• throat-straps
• throatwort
• throatworts
• throaty
• throb
• throbbed
• throbbing
• throbbingly
• throbbings
• throbless
• throbs
• throe
• throed
• throeing
• throes
• thrombi
• thrombin
• thrombins
• thrombo-
• thrombocyte
• thrombocytes
• thrombocytopenia
• thromboembolism
• thrombokinase
• thrombokinases