Meaning of the word "side effect" in English

What does "side effect" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

side effect

US /ˈsaɪd ɪˌfekt/
UK /ˈsaɪd ɪˌfekt/
"side effect" picture

Noun

1.

a secondary, typically undesirable effect of a drug or medical treatment

Example:
Drowsiness is a common side effect of this medication.
Always read the label for potential side effects.
2.

an additional, often unforeseen, consequence of an action or decision

Example:
The new policy had some unexpected side effects on employee morale.
One side effect of rapid growth can be increased traffic congestion.
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