under own steam

Related to under own steam: under one's own steam

under (one's) own steam

On one's own; with no assistance from anyone else. The injured player was fortunately able to walk off the field under his own steam. Look, Mom, I can finish this book report under my own steam, OK? I don't need you hovering over me correcting my spelling!
See also: own, steam
Farlex Dictionary of Idioms.

under one's own steam

Fig. by one's own power or effort. I missed my ride to class, so I had to get there under my own steam. John will need some help with this project. He can't do it under his own steam.
See also: own, steam
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • at will
  • on one's own account
  • chew (one's) own tobacco
  • chew own tobacco
  • noggin
  • of (one's) own accord
  • of one's own accord
  • of own accord
  • of your own accord
  • do something in your own sweet time/way