Adverse Definition & Meaning | Britannica Dictionary (original) (raw)
Britannica Dictionary definition of ADVERSE
[more adverse; most adverse]
:
bad or unfavorable
:
not good
adverse criticism/remarks
He had an adverse reaction to the medicine. [=he reacted badly to the medicine; the medicine had a bad effect on him]
Many fear that budget cuts will have an adverse [=_damaging_] effect on education.
adverse circumstances/conditions/weather
The drug has no adverse [=_harmful_] side effects.
Sales were adversely affected by the bad weather.
Staff changes could affect the project adversely.