by all means

by all means

1. Certainly; absolutely. By all means, come to our party if you end up being free on Saturday night!
2. In any way possible, regardless of risk or expense. There will be a lot of people at this event, but we need to court that one big investor by all means.
See also: all, by, mean
Farlex Dictionary of Idioms.

by all means

certainly; yes; absolutely. I will attempt to get there by all means. Bob: Can you come to dinner tomorrow? Jane: By all means. I'd love to.
See also: all, by, mean
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

by all means

1. Also, by all manner of means. In every possible way, as in I plan to make use of him by all means. [Late 1400s]
2. Also, by all manner of means. Without fail, at any cost, as in Losing the contract is to be avoided by all means. [c. 1600]
3. Certainly, yes, as in Are you coming tonight?-By all means, I'll be there. [Late 1600s] Also see by any means; by no means.
See also: all, by, mean
The American Heritage® Dictionary of Idioms by Christine Ammer.

by ˈall means

(spoken) used to say that you are very willing for somebody to have something or do something: ‘Can I smoke?’ ‘By all means.’ ‘Do you think I could borrow this dictionary?’ ‘Yes, by all means.’
See also: all, by, mean
Farlex Partner Idioms Dictionary

by all means

Without fail; certainly.
See also: all, by, mean
American Heritage® Dictionary of the English Language, Fifth Edition.
See also:
  • at any price
  • at any cost
  • at all costs
  • by hell or high water
  • hell or high water
  • in the last resort
  • in defiance of
  • in defiance of (something)
  • hell and high water
  • in any case