side effect Meaning in the Cambridge English Dictionary Cambridge dictionaries logo
Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

Meaning of “side effect” in the English Dictionary

"side effect" in British English

See all translations

side effectnoun [C]

uk   /ˈsaɪd ɪˌfekt/  us   /ˈsaɪd ɪˌfekt/
C1 an unpleasant effect of a drug that happens in addition to the main effect: Does this drug have any side effects?
C2 an unexpected result of a situation: A side effect of the new law is that fewer people will take out insurance.

expend iconexpend iconMore examples

(Definition of side effect from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"side effect" in American English

See all translations

side effectnoun [C usually pl]

 us   /ˈsɑɪd ɪˌfekt/
an unwanted or unexpected result or condition that comes along with the desired effects of something: Does this drug have any side effects?
(Definition of side effect from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of side effect?
Add Cambridge dictionaries to your browser to your website
A blazing row: words and phrases for arguing and arguments
A blazing row: words and phrases for arguing and arguments
by ,
May 04, 2016
by Kate Woodford We can’t always focus on the positive! This week, we’re looking at the language that is used to refer to arguing and arguments, and the differences in meaning between the various words and phrases. There are several words that suggest that people are arguing about something that is not important. (As you might

Read More 

Word of the Day

spaceship

(especially in stories) a vehicle used for travel in space

Word of the Day

trigger warning noun
trigger warning noun
May 02, 2016
a warning that a subject may trigger unpleasant emotions or memories This is not, I should stress, an argument that trigger warnings should become commonplace on campus.

Read More