English Reference
Idiom idiom

necessary evil


An unfavorable thing that must be done or accepted, especially because the available alternative courses of action or inaction would be worse.

Meaning adapted from Wiktionary, available under CC BY-SA 4.0.


SIMPLE

Paying taxes is a necessary evil for everyone.

CONTEXTUAL

The manager explained that the budget cuts were a necessary evil to keep the company running.

COMPLEX

While many view the strict new regulations as a necessary evil, they remain essential for maintaining safety in the industry.


Related idioms3entries
  1. 01

    evil twin

    A duplicate or counterpart that acts in a contrary, nefarious, or insidious manner.

  2. 02

    greater of two evils

    The most harmful or unpleasant of two undesirable alternatives.

  3. 03

    lesser of two evils

    The least harmful or unpleasant of two undesirable alternatives.

Last updated August 10, 2026