a line or set of lines enclosing or indicating the shape of an object in a sketch or diagram, a general description or plan giving the essential features of something but not the detail, a summary of something

in outline, fill in the outline, outline drawing

Formal and Informal Expressions of outline

In different contexts, you can replace 'outline' with suitable alternatives. In a more formal setting, 'summary, synopsis' is apt. In informal speech or writing, 'sketch, rough draft' is a commonplace synonym.

outline: Explore its Definition & Usage

outline Definition

1a line or set of lines enclosing or indicating the shape of an object in a sketch or diagram
2a general description or plan giving the essential features of something but not the detail
3a summary of something

Using outline: Examples

Take a moment to familiarize yourself with how "outline" can be used in various situations through the following examples!

Example
The outline of the building was clearly visible against the sky.
Example
She gave me an outline of the project.
Example
The professor provided an outline of the lecture before beginning.
Example
He wrote an outline for his essay before starting to write.

outline Synonyms and Antonyms

Synonyms for outline

Antonyms for outline

Phrases with outline

in outline
in a general way without including all the details
Example
The plan was explained in outline by the manager.
fill in the outline
to provide more detail or information about something that has been outlined
Example
The speaker filled in the outline with specific examples and data.
outline drawing
a drawing consisting of the outline of an object without shading or other details
Example
The art class focused on creating outline drawings of various objects.

Origins of outline

from out- 'completely' + line, on the pattern of Dutch 'omlijnen'

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Summary: outline in Brief

The term 'outline' [ˈaʊtlaɪn] refers to a line or set of lines indicating the shape of an object or a general description of something. It can be used to describe a summary or plan of something, as in 'She gave me an outline of the project.' 'Outline' can also be used in phrases like 'in outline,' meaning in a general way without including all the details.