English Reference
noun · verb

outline

n. · v.
US /ˈaʊtˌɫaɪn/ UK /ˈaʊtlaɪn/ out·line UK spelling outlines, outlining

  1. 01 B1 Intermediate

    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.

    Simple

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

    In context

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

  2. 02 B2 Upper Intermediate

    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.

    Simple

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

    In context

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

  3. 03 C1 Advanced Technical 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.

    Simple

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

    In context

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

  4. 04 B2 Upper Intermediate

    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.

    Simple

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

    In context

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

  5. 05 B1 Intermediate

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

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

    Simple

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

    In context

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

    tracedelineate

Usage approach outline · broad outline · general outline

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

From out + line.

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

This entry
Level B2 · Upper Intermediate
Frequency Frequent
Updated