1. side effect - Noun
2. side effect - Verb
any adverse and unwanted secondary effect
a secondary and usually adverse effect of a drug or therapy
Source: WordNetside-effect
I am not out to destroy Microsoft, that would be a completely unintended side effect. Linus Torvalds
Dying's a boring side effect. Maggie Stiefvater
The worst side effect of wealth is the social associations it forces on its victims, as people with big houses end up socializing with other people with big houses. Nassim Nicholas Taleb
When I was a practicing alcoholic, I was unbelievable. One side effect was immense suspicion: I'd come off tour like Inspector Clouseau on acid. 'Where's this cornflake come from? It wasn't here before. Ozzy Osbourne
I think of my body as a side effect of my mind. Carrie Fisher
It is not true that the English invented cricket as a way of making all other human endeavours look interesting and lively; that was merely an unintended side effect. I don't wish to denigrate a sport that is enjoyed by millions, some of them awake and facing the right way, but it is an odd game. Bill Bryson