nouns
a phenomenon that follows and is caused by some previous phenomenon
"the magnetic effect was greater when the rod was lengthwise"; "his decision had depressing consequences for business"; "he acted very wise after the event"
an outward appearance
"he made a good impression"; "I wanted to create an impression of success"; "she retained that bold effect in her reproductions of the original painting"
an impression (especially one that is artificial or contrived)
"he just did it for effect"
is a type of (narrower)
a vague idea in which some confidence is placed
"his impression of her was favorable"; "what are your feelings about the crisis?"; "it strengthened my belief in his sincerity"; "I had a feeling that she was lying"
the central meaning or theme of a speech or literary work
(of a law) having legal validity
"the law is still in effect"
a symptom caused by an illness or a drug
"the effects of sleep loss"; "the effect of the anesthetic"
is a type of (narrower)
(medicine) any sensation or change in bodily function that is experienced by a patient and is associated with a particular disease