without so much as doing

without so much as doing something

without even doing something, such as a simple courtesy. Jane borrowed Bob's car without so much as asking his permission. Mary's husband walked out without so much as saying goodbye.
See also: much, without
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • make do
  • without a second thought
  • make shift
  • carry on without
  • carry on without (someone or something)
  • live without
  • leave (one) to (one's) own devices
  • leave one to own devices
  • leave somebody to their own devices
  • leave to someone's own devices