English Reference

Word

outline

Phoneticsout·line

US/ˈaʊtˌɫaɪn/

UK/ˈaʊtlaɪn/

Definitions

01outer shape

B1

n. the line or shape that shows the edge of an object.

n. the line marking the outer boundary or contour of an object or figure.

“In the fog, we could only see the dark outline of the mountains.”

“The artist used charcoal to trace the rough outline of the model before adding any internal detail or shading.”

Antonyms

02a summary or plan

B2

n. a short description of the main points of a plan, book, or speech.

n. a structured summary or preliminary plan that highlights the essential features or main points of a subject.

“The teacher asked us to write an outline before we started our essays.”

“The project manager presented a broad outline of the new strategy, leaving the specific technical requirements for a later discussion.”

Antonyms

03film story

C1 · Theatre

n. a written version of a story used to plan a movie script.

n. a prose narrative of a story intended for development into a screenplay, typically more detailed than a treatment.

“The writer sent a ten-page outline to the studio to see if they liked the plot.”

“After the initial pitch was accepted, the screenwriter spent three weeks refining the outline to ensure the pacing of the second act was effective.”

Technical

Synonyms

04to describe main points

B2

v. to give a short description of the most important parts of something.

v. to provide a summary of the principal aspects or features of a plan or theory.

“The director will outline the new safety rules at the meeting tomorrow.”

“The report outlines several key areas where the company can improve its environmental impact over the next decade.”

05to draw the edge

B1

v. to draw the outer edge or shape of something.

v. to draw or trace the outer edge or contour of a physical object.

“She used a black pen to outline the stars she had drawn.”

“The architect carefully outlined the footprint of the building on the site map to show how it would fit between the existing trees.”

Synonyms

tracedelineate

Real-World Examples

“Males usually have a more noticeable point along the front edge of the head, while females tend to have a smoother and more rounded outline.”
ScienceDaily · 4 Sept 2026
“A thin black line outlines the holder that supports the stone (left).”
Phys.org · 24 Aug 2026

Etymology

From out + line.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Collocations

approach outlinebroad outlinegeneral outlineoutline approachoutline principle

Domains

FilmFishing

This entry

Level
B2 · Upper Intermediate
Frequency
Frequent
Updated

Scan code

englishreference.com/q/outline

English Reference