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convex

adjective · noun · verb

Simple meaning

Curved or bowed outward like the outside of a bowl, circle.

Pronunciation

Say it like this:

kuhnvehks

Say the bold part a little louder.

US device voice
IPA pronunciation (US)

kənˈvɛks

This word is pronounced essentially the same in American and British English, so one transcription covers both.

IPA (International Phonetic Alphabet) is a standard way of writing speech sounds.

Word Review

Definition

Everyday modern meanings first, grouped by part of speech.

adjective

  1. Curved or bowed outward like the outside of a bowl, circle, or sphere.

  2. geometrynot comparableof a polygon

    Having no internal angles greater than 180 degrees.

  3. (functional analysis, not comparable, of a real-valued function on the reals) having an epigraph that is a convex set.

  4. mathematicsnot comparableof a set in Euclidean space

    Arranged such that for any two points in the set, a straight line between the two points is contained within the set.

noun

  1. Any convex body or surface.

verb

  1. transitive

    To cause to form a convex curve or surface; to make convex.

Word at a Glance

Difficulty
C1 · Advanced
Frequency
Moderately Common
Typical Use
Neutral / general English

Word Aura™

How this word commonly comes across.

Aura for this meaning

This meaning: Curved or bowed outward like the outside of a bowl, circle, or sphere.

Used this way, convex is a reasonably familiar word that usually carries little praise or criticism of its own. It usually sounds natural in a wide range of settings.

Emotional tone
Neutral
Formality
Neutral
Intensity
Not strongly marked
How common
Moderately common
Connotation
No strong connotation
Usage feel
Neutral and straightforward

Nearby words

  • gibbous , rarer, so it draws attention

Word Aura describes common impressions, not a measurement. Tone changes with sentence, speaker, relationship and situation.

More ways to use convex

  • “The security mirror in the store had a convex shape, showing a wide view.”adjective

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Common Patterns and Combinations

How this word naturally appears with others.

Convex / cause

convex surface

Playing / small

slightly convex

Functional

convex function

Other combinations

convex lensconvex hullconvex curveconvex combinationconvex sets

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Word Family

Related forms, grouped by how they connect.

Compound terms

Established multiword terms.

  • convex polygonnounCompound term

    A polygon such that no side extended cuts any other side or vertex.

  • convex polyhedronnounCompound term

    A polyhedron any plane section of which is a convex polygon.

  • convex shapenounCompound term

    A shape that curves or bulges outward.

  • convex lensnounCompound term

    Lens such that a beam of light passing through it is brought to a point or focus.

  • regular convex polyhedronnounCompound term

    Any one of five solids whose faces are congruent regular polygons and whose polyhedral angles are all congruent.

  • regular convex solidnounCompound term

    Any one of five solids whose faces are congruent regular polygons and whose polyhedral angles are all congruent.

More about this wordSynonyms, forms, origin

Synonyms

Sense: curved

gibbousRare

Antonyms

Sense: curved

concave

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Dictionary data from Wiktionary via the Free Dictionary API. Simple meanings, combinations and word intelligence are built from verified reference data, no AI is used to load this page.