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Unpredictable vs Undesirable - What's the difference?

unpredictable | undesirable |

As adjectives the difference between unpredictable and undesirable

is that unpredictable is unable to be predicted while undesirable is objectionable or not likely to please.

As nouns the difference between unpredictable and undesirable

is that unpredictable is an unpredictable thing while undesirable is an undesirable person.

unpredictable

English

Adjective

(en adjective)
  • Unable to be predicted.

    • Derived terms

    * unpredictability * unpredictableness * unpredictably * unpredicted

    Noun

    (en noun)
  • An unpredictable thing.

    • undesirable

    English

    Adjective

    (en adjective)
  • objectionable or not likely to please
  • *
    • There would be no need for any of the animals to come in contact with human beings, which would clearly be most undesirable .
  • * 2008 , Mary E. Klingensmith, The Washington Manual of Surgery (page 327)
    • Chronic venous disease includes cosmetically undesirable telangiectasias, varicose veins, venous ulceration, and claudication.

    Usage notes

    * Nouns to which "undesirable" is often applied: effect, consequence, result, element, change, person, substance, characteristic, quality, feature, behavior, activity, thing, event, reaction, state.

    Antonyms

    * desirable

    Noun

    (en noun)
  • an undesirable person