effect · n
take effect ()
C1 to begin, or to start to produce results or changes
Dictionary examples:
The medicine should take effect quickly. (18.8)
have little/no effect
C1 make little/no difference
Dictionary examples:
The new measures have had little effect on ordinary people's lives. (49.4)
in effect
C2 used to say what the real situation is
Dictionary examples:
This means, in effect, that the plan has been scrapped. (61.0)
put/go into effect
C2 to begin being used
Dictionary examples:
New food safety rules went into effect on Monday. (64.6)
effect
B1 the result of a particular influence
Dictionary examples:
The new diet had the surprising effect of making him crave more food. (0.0)
His attempt to fix the computer had the effect of creating a small fire. (0.0)
His joke about math had the effect of putting the entire class to sleep. (0.0)
The accident had a big effect on her life. (19.3)
The medicine had the effect of making me sleepy. (33.1)
a sound/special/visual effect ()
B1 a sound, image, etc. that is created artificially
Dictionary examples:
The thunder effect in our school play was just Mr. Johnson dropping books backstage. (0.0)
The scary monster effect in the movie was actually my cat in a costume. (0.0)
The laser gun effect in the sci-fi movie was just a cat toy light. (0.0)
It's got to be thirty seconds long, and we can use whatever sound effects we like. (37.5)