Have a bad effect Meaning in English
expression
Definition
To cause something to become worse or to produce negative results or consequences.
Usage & Nuances
Usually used for describing the negative influence of actions, policies, or events. Common with prepositions: 'on' or 'upon' something. Often interchangeable with 'have a negative impact.' Formal or semi-formal context.
Example Sentences
Eating too much sugar can have a bad effect on your health.
basic
Loud noise at night can have a bad effect on sleep.
basic
Pollution can have a bad effect on the environment.
basic
Not getting enough sleep will definitely have a bad effect on how you feel tomorrow.
natural
Too much screen time can have a bad effect on kids' eyesight over time.
natural
Stress at work can have a bad effect on your personal relationships if you're not careful.
natural