What are some alternative words for side effect?

Synonyms for side effect

This thesaurus page is about all possible synonyms, equivalent, same meaning and similar words for the term side effect.

Princeton's WordNet

  1. side effect(noun)

    a secondary and usually adverse effect of a drug or therapy

    side effect, fallout

  2. side effect, fallout(noun)

    any adverse and unwanted secondary effect

    radioactive dust, side effect, fallout


  1. side effect(noun)

    unintentional, untoward, by-product

  2. side effect(noun)

    An unintended consequence of any action in addition to the intended consequence of that action.

    untoward, by-product, unintentional

  3. side effect(noun)

    An adverse effect, an unintended consequence of a drug or therapy; usually not a beneficial effect.

    unintentional, by-product, untoward

  4. side effect(noun)

    A change in state caused by a function call (typically side-effect).

    unintentional, untoward, by-product

Translations for side effect

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"side effect." Synonyms.net. STANDS4 LLC, 2017. Web. 20 Nov. 2017. <http://www.synonyms.net/synonym/side effect>.

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