noun. something that is produced by an agency or cause; result; consequence: Exposure to the sun had the effect of toughening his skin. power to produce results; efficacy; force; influence: His protest had no effect.
The experience has had a bad effect on him. Computers have had a profound effect on our lives. The effects of the drug soon wore off.
In our effort to clarify the difference between the most common uses of effect and affect, we can remember that the noun effect often will follow an article (“an effect,” “the effect”) or an adjective (“negative effect,” “positive effect”).
Effect is defined as a result of something or the ability to bring about a result. An example of effect is slurred speech after having a few cocktails. ... The power to produce an outcome or achieve a result. The government's action had little effect on the trade imbalance.
• In the normal range of affect can be variation in facial expression, tone of voice, use of hands, and body movements. • When affect is constricted, the range and intensity of expression are reduced. In blunted affect, emotional expression is further reduced.