flesh out

Related to flesh out: flush out

flesh out

To develop something more fully. A noun or pronoun can be used between "flesh" and "out." I can't judge your story in its current state—you need to flesh it out more and then resubmit it.
See also: flesh, out
Farlex Dictionary of Idioms.

flesh something out (with something)

Fig. to make something more detailed, bigger, or fuller. This is basically a good outline. Now you'll have to flesh it out. The play was good, except that the author needed to flesh out the third act. It was too short.
See also: flesh, out

flesh out

to become more fleshy. She began to flesh out at the age of thirteen. After his illness, Tom fleshed out and regained his strength.
See also: flesh, out
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

flesh out

Also, put flesh on the bones of. Give substance to, provide with details, amplify. For example, The editor told her to flesh out the story, or You need to put flesh on the bones of these characters. This metaphoric expression, alluding to clothing a nude body or adding flesh to a skeleton, was in the mid-1600s put simply as to flesh, the adverb out being added about two centuries later.
See also: flesh, out
The American Heritage® Dictionary of Idioms by Christine Ammer.

flesh out

v.
To fill in, enrich, or build on the content or structure of something: At the meeting, we fleshed out the plans for our trip. This paragraph is not specific enough—you should flesh it out.
See also: flesh, out
The American Heritage® Dictionary of Phrasal Verbs.
See also:
  • flesh
  • cut something to the bone
  • cut to the bone
  • (one's) (own) flesh and blood
  • your flesh and blood
  • flesh and blood
  • involve with
  • involve with (someone or something)
  • involved with
  • not do (someone or oneself) any favors