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

• flutters
• flutter the dovecots
• flutter-tonguing
• fluttery
• fluty
• fluvial
• fluvialist
• fluvialists
• fluviatic
• fluviatile
• fluvioglacial
• flux
• flux densities
• flux density
• fluxed
• fluxes
• fluxing
• fluxion
• fluxional
• fluxionary
• fluxionist
• fluxionists
• fluxions
• fluxive
• fly