make every effort to do

make every effort (to do something)

To put forth the greatest possible effort (to do, achieve, or accomplish something). I'll make every effort, but I can't guarantee that I'll be home before the party starts. We've made every effort to ensure the transition process is as seamless as possible for you and your team.
See also: effort, every, make
Farlex Dictionary of Idioms.

make every effort to do something

to try very hard to accomplish something. I will make every effort to be there on time.
See also: effort, every, make
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • make every effort (to do something)
  • make an effort (to do something)
  • for (all) one's trouble
  • for all one’s trouble
  • for one’s trouble
  • for trouble
  • go for the fences
  • spare no effort to (do something)
  • begathon
  • an all-out effort