impermissible

[ im-per-mis-uh-buhl ]
/ ˌɪm pərˈmɪs ə bəl /

adjective

not permissible or allowable; unallowable.

QUIZZES

IS YOUR DESERT PLANT KNOWLEDGE SUCCULENT OR DRIED UP?

Cactus aficionados, don't get left in the dust with this quiz on desert plants. Find out if you have the knowledge to survive this prickly foray into the desert!
Question 1 of 7
This tall, horizontally branched cactus is probably the most recognizable cactus in Arizona. What is it called?

Origin of impermissible

First recorded in1855–60; im-2 + permissible

OTHER WORDS FROM impermissible

im·per·mis·si·bil·i·ty, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for impermissible

British Dictionary definitions for impermissible

impermissible
/ (ˌɪmpəˈmɪsɪbəl) /

adjective

not permissible; not allowed

Derived forms of impermissible

impermissibility, nounimpermissibly, adverb
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