go as/so far as to do something

go as far as to (do something)

To do something extreme, risky, or controversial. Often used in the negative. Although I wouldn't go as far as to call him a coward, he definitely likes to avoid confrontation when he can. They went as far as to threaten us with legal action if we didn't delete the video in question.
See also: far, go

go so far as to (do something)

To do something extreme, risky, or controversial. Often used in the negative. Although I wouldn't go so far as to call him a coward, he definitely likes to avoid confrontation when he can. They went so far as to threaten us with legal action if we didn't delete the video in question.
See also: far, go
Farlex Dictionary of Idioms.

go so far as to

Also, go as far as to. Proceed to the point of doing something. For example, I wouldn't go so far as to call him incompetent, but he does need supervision, or Would she go as far as to sell the house before she's found another?
See also: far, go
The American Heritage® Dictionary of Idioms by Christine Ammer.

go as/so far as to do something

be willing to go to extreme or surprising limits in dealing with something: She’s a brilliant painter, but I wouldn’t go so far as to say she is the best in the country. I don’t like people smoking but I wouldn’t go so far as to forbid it.
See also: far, go, something
Farlex Partner Idioms Dictionary
See also:
  • go so far as to
  • go so far as to (do something)
  • go as far as to (do something)
  • go so far as (doing something)
  • go as far as (doing something)
  • go so far as to say
  • go so far as to say (something)
  • take a gamble
  • ride a tiger
  • wussy