1

undesirable

adjective un·de·sir·able \ ˌən-di-ˈzī-rə-bəl \
Updated on: 18 Nov 2017

Definition of undesirable

: not desirable : unwanted
  • undesirable side effects

undesirability

play \ˌən-di-ˌzī-rə-ˈbi-lə-tē\ noun

undesirableness

play \ˌən-di-ˈzī-rə-bəl-nəs\ noun

undesirably

play \ˌən-di-ˈzī-rə-blē\ adverb

Examples of undesirable in a Sentence

  1. The drug has some undesirable side effects.

  2. This may have undesirable consequences.

  3. Frankly, it's an undesirable and unpleasant job.

Recent Examples of undesirable from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'undesirable.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of undesirable

1667


2

undesirable

noun

Definition of undesirable

: one that is undesirable

Recent Examples of undesirable from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'undesirable.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of undesirable

1883


UNDESIRABLE Defined for English Language Learners

undesirable

adjective

Definition of undesirable for English Language Learners

  • : bad, harmful, or unpleasant : not worth having or getting : not desirable


UNDESIRABLE Defined for Kids

undesirable

adjective un·de·sir·able \ ˌən-di-ˈzī-rə-bəl \

Definition of undesirable for Students

: having qualities that are not pleasing or wanted
  • an undesirable effect


Seen and Heard

What made you want to look up undesirable? 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

to remove or wipe out

Get Word of the Day daily email!

Test Your Vocabulary

Find the Cousins

  • a-large-tree-with-many-branches
  • Which pair shares a common word ancestor?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
SCRABBLE® Sprint

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!