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

From our Multilingual Translation Dictionary

Get even more translations for side effect »


Find a translation for the side effect synonym in other languages:

Select another language:

Discuss these side effect synonyms with the community:


Use the citation below to add these synonyms to your bibliography:


"side effect." STANDS4 LLC, 2017. Web. 27 Jul 2017. < effect>.

Are we missing a good synonym for side effect?

Nearby & related entries:

Alternative searches for side effect:

Thanks for your vote! We truly appreciate your support.