Meaning & use

negative effect

noun·Everyday

Last updated

UK/ˌneɡətɪv ɪˈfekt/
US/ˌneɡətɪv ɪˈfekt/

Meaning

  1. nouncountable

    A harmful or unwelcome result that something has on a person, thing or situation.

    Grammar: Countable, usually followed by on: a negative effect on health.

    Patterns

    • a negative effect on something
    • have a negative effect

    Too little sleep can have a negative effect on your concentration.

    The new tax had a negative effect on small shops.

    Researchers found no negative effects from the medicine after two years.

Word forms

pluralnegative effects

Common combinations

have a negative effect on
Noise can have a negative effect on learning.
a serious negative effect
The drought had a serious negative effect on crop yields.
reduce the negative effects
Planting trees can reduce the negative effects of pollution.
long-term negative effects
Doctors studied the long-term negative effects of the treatment.
avoid negative effects
Take the tablets with food to avoid negative effects.

Synonyms and how they differ

adverse effect
Adverse effect is more formal and common in medicine, while negative effect works in everyday talk.
harmful effect
Harmful effect stresses actual damage, whereas negative effect can mean a milder drawback.
drawback
A drawback is a disadvantage of a plan or object, not an outcome that happens to something else.
downside
Downside is informal and refers to the bad side of a choice rather than a specific consequence.

Opposites

positive effectbenefit

Word family

effect noun
a result or change caused by something
effective adjective
producing the intended result
negative adjective
bad, harmful or unwelcome
negatively adverb
in a bad or harmful way

Commonly confused: negative effect or affect?

negative effect vs affect

Affect is usually a verb meaning to influence, as in stress can affect sleep. Effect is the noun for the result.

Practice

Skipping breakfast had a ___ on her energy during the morning.

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