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

• echoist
• echoists
• echoize
• echoized
• echoizes
• echoizing
• echolalia
• echolalias
• echoless
• echo location
• echo locations
• echopraxia
• echopraxias
• echopraxis
• echo-sounder
• echo-sounders
• echo-sounding
• echovirus
• ECHO virus
• echoviruses
• ECHR
• echt
• e-cig
• e-cigarette
• e-cigarettes