1. describe or portray (something) precisely.
"the law should delineate and prohibit behaviour which is socially abhorrent"
synonyms: describe, set forth, set out, present, outline, depict, portray, represent, characterize; map out, chart; define, detail, specify, identify, particularize; literarylimn
"the initial aims of the study as delineated by the deputy head"
2. indicate the exact position of (a border or boundary).
"his finger found a precisely outlined section delineated in red marker"
synonyms: outline, trace, draw the lines of, draw, sketch, block in, mark (out/off), delimit, mark the boundaries/limits of "a section on the map delineated in red marker pen"