imperforate

adjective im·per·fo·rate \ (ˌ)im-ˈpər-f(ə-)rət , -fə-ˌrāt \

Definition of imperforate

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

First Known Use of imperforate

1673


Medical Dictionary

imperforate

adjective im·per·fo·rate \ (ˈ)im-ˈpər-f(ə-)rət , -fə-ˌrāt \

medical Definition of imperforate

: having no opening or aperture; specifically : lacking the usual or normal opening
  • an imperforate hymen
  • an imperforate anus

Seen and Heard

What made you want to look up imperforate? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

nourishment or food and drink

Get Word of the Day daily email!

Test Your Vocabulary

Namesakes Word Quiz

  • a-citrus-fruit-possibly-named-after-a-person
  • Which of the following is a fruit named after a Moroccan seaport?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Add Diction

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!