take effect

take effect

To begin to work or become effective. How long until these pills take effect? My back is killing me! This piece of legislation takes effect next week.
See also: effect, take
Farlex Dictionary of Idioms.

take efˈfect


1 have the intended result: It will be some time before the painkillers take effect.
2 (formal) start to be valid: Your promotion takes effect from the end of the month.
See also: effect, take
Farlex Partner Idioms Dictionary

take effect

1. To become operative, as under law or regulation: The curfew takes effect at midnight.
2. To produce the desired reaction: The antibiotics at last began to take effect.
See also: effect, take
American Heritage® Dictionary of the English Language, Fifth Edition.
See also:
  • bring (something) into effect
  • carry (something) into effect
  • of no effect
  • of/to no effect
  • to no effect
  • (someone or something) strikes again
  • strikes again
  • have a bad effect
  • have a bad effect (on someone or something)
  • come into operation