rough out
[verb]
Synonyms: sketch, adumbrate, block (out), chalk (out), characterize, draft, outline, skeleton, skeletonize

[TahlilGaran] English Synonym Dictionary ▲

rough something ↔ out phrasal verb British English (see also rough)
to draw or write something without including all the details:
a diagram the engineer had roughed out on his notepad

[TahlilGaran] Dictionary of Contemporary English ▲

rough out
rough (something) out
1.
to make a first plan for an activity.
Tyler started to rough out a list of schools she might want to attend.

2.
to create something in its approximate, but not finished, form.
We watched as a carver began to work on the block of stone, roughing the sculpture out.

[TahlilGaran] English Idioms Dictionary ▲

rough something out
rough (something) out
1.
to make a first plan for an activity.
Tyler started to rough out a list of schools she might want to attend.

2.
to create something in its approximate, but not finished, form.
We watched as a carver began to work on the block of stone, roughing the sculpture out.

[TahlilGaran] English Idioms Dictionary ▲