level out

Related to level out: level off

level out

To add to or subtract from the surface of something in order to make it level or smooth. A noun or pronoun can be used between "level" and "out." The timber was a bit uneven where they had cut it with the hand saw, so I leveled it out with my power sander. He kept adding soil to try to level out the area in front of the house, but the whole is just a mess now.
See also: level, out
Farlex Dictionary of Idioms.

level something out

to cause something to assume a more level course or path. Level this path out before you open it to the public. They have to level out this roadway.
See also: level, out

level out

[for something that was going up and down] to assume a more level course or path. The road leveled out after a while and driving was easier. As we got down into the valley, the land leveled out and traveling was easier.
See also: level, out
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • level down
  • level off
  • level up
  • buzz up
  • on the level
  • raise the stakes
  • level (one's) locks
  • level one’s locks
  • be on the level
  • on the level, to be