1. [ noun ] a phenomenon that follows and is caused by some previous phenomenon
Synonyms: result consequence outcome upshot issue event

"the magnetic effect was greater when the rod was lengthwise" "his decision had depressing consequences for business" "he acted very wise after the event"

Related terms: phenomenon product change response impact aftermath by-product influence offspring dent aftereffect spillover side_effect coriolis_effect knock-on_effect harvest coattails_effect butterfly_effect domino_effect placebo_effect bandwagon_effect position_effect outgrowth repercussion brisance eventuate
2. [ noun ] an outward appearance
Synonyms: impression

"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"

Related terms: appearance figure mark tout_ensemble
3. [ verb ] cause to happen or occur
Synonyms: bring_about set_up effectuate

"The scientists set up a shockwave"

Related terms: cause carry_through serve induce precipitate draw implementation effecter anticipate happen
4. [ noun ] an impression (especially one that is artificial or contrived)

"he just did it for effect"

Related terms: impression special_effect sound_effect
5. [ noun ] (medicine) a symptom caused by an illness or a drug

"the effects of sleep loss" "the effect of the anesthetic"

Related terms: symptom bummer side_effect aftereffect
6. [ noun ] (of a law) having legal validity
Synonyms: force

"the law is still in effect"

Related terms: validity law
7. [ noun ] the central meaning or theme of a speech or literary work
Synonyms: burden core gist essence
Related terms: meaning
8. [ verb ] act so as to bring about
Synonyms: carry_out

"effect a change"

Related terms: act carry bring_to_bear practice backdate consequence
Similar spelling:   effects