[ im-pur-fer-it, -fuh-reyt ]
/ ɪmˈpɜr fər ɪt, -fəˌreɪt /


Also im·per·fo·rat·ed. not perforate; having no perforation.
Philately. (of a number of stamps joined together) lacking the perforations usually separating individual stamps.


an imperforate stamp.

Origin of imperforate

First recorded in 1665–75; im-2 + perforate

OTHER WORDS FROM imperforate

im·per·fo·ra·tion, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for imperforated

British Dictionary definitions for imperforated

/ (ɪmˈpɜːfərɪt, -ˌreɪt) /


not perforated
(of a postage stamp) not provided with perforation or any other means of separationAbbreviation: imperf Compare perforate
anatomy (of a bodily part, such as the anus) without the normal opening

Derived forms of imperforate

imperforation, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for imperforated

[ ĭm-pûrfər-ĭt ]


Lacking a normal opening.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.