Disney World has a promotion offering tickets for half price on all rides for the day. John buys tickets for him and his girlfriend and imagines having a wonderful day. Although when he arrives as Disney world they have to spend an additional half and hour in queue at every ride because of the additional number of people in the park.

This wanted/unwanted expectation where the wanted has a direct relationship with the unwanted that follows it is called [...]

Sally spends 2 hours in the morning to make herself look beautiful as she want to impress the jocks at school. However she finds herself attracting the attention of not just the jocks but the geeks and when the geeks stare at her it makes her uncomfortable.

This postive/negative outcome where the negative the follows it has a mutual relationship with the preceding positive ...

The negative effect might also not be obvious to the original user who benefits as it could be another person who suffers the causal effect.

I can think of causal effect or symbiotic relationship but both sound to scientific for the above examples and the context of what I want to say.

  • Many people might use the word mixed. Buying cheap tickets was a mixed benefit. Being made up to look beautiful turned out to be a mixed blessing.
    – WS2
    Oct 25, 2016 at 6:46
  • 2
    Unintended consequences: somewhat of a cliché, but conveys the meaning. Oct 26, 2016 at 0:46

2 Answers 2


"Pros and cons" may also work. There are pros and cons to wearing too much make up. "Advantages and drawbacks" is OK too, but in a more formal setting.

  • I am trying to convey in the sentences I provided that the negative causal effect cannot have been predicted initially but is intimately tied to it as an effect that will always happen. Pros and Cons one can think of before hand.
    – dfmetro
    Oct 25, 2016 at 15:12
  • How about "side effect"? It would give the idea of an unwanted secondary effect. "Repercussion" may also work.
    – Juan M
    Oct 25, 2016 at 17:01
  • Juan write the above as answer. side-effect does match the description exactly.
    – dfmetro
    Oct 25, 2016 at 17:27

You might try backfire.

Sally's plan to beautify herself backfired on her.

From Oxford Dictionaries:

(of a plan or action) have an opposite and undesirable effect to what was intended.

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