imperforate

adjective

im·​per·​fo·​rate (ˌ)im-ˈpər-f(ə-)rət How to pronounce imperforate (audio) -fə-ˌrāt How to pronounce imperforate (audio)
1
: having no opening or aperture
specifically : lacking the usual or normal opening
2
of a stamp or a sheet of stamps : lacking perforations or roulettes

Word History

First Known Use

1657, in the meaning defined at sense 1

Time Traveler
The first known use of imperforate was in 1657

Dictionary Entries Near imperforate

Cite this Entry

“Imperforate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/imperforate. Accessed 5 Dec. 2022.

Medical Definition

imperforate

adjective

im·​per·​fo·​rate (ˈ)im-ˈpər-f(ə-)rət How to pronounce imperforate (audio) -fə-ˌrāt How to pronounce imperforate (audio)
: having no opening or aperture
specifically : lacking the usual or normal opening
an imperforate hymen
an imperforate anus
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