Diagonal — meaning, pronunciation & more

Definition

(geometry) a straight line connecting any two vertices of a polygon that are not adjacent

a line or cut across a fabric that is not at right angles to a side of the fabric

Pronunciation

🇺🇸American English

/dˈʌndɚhˌɛdᵻd/

🇬🇧British English

/daɪˈaɡənəl/

🇮🇳Indian English

/daɪˈaɡənəl/

3 syllables Say it as /dˈʌndɚhˌɛdᵻd/.

Examples

the bishop moves on the diagonals
a diagonal line across the page

Synonyms & Antonyms

Synonyms

slash sloping sloped aslant slanting virgule bias separatrix aslope slanted stroke solidus

Parts of Speech

noun	(geometry) a straight line connecting any two vertices of a polygon that are not adjacent
noun	a line or cut across a fabric that is not at right angles to a side of the fabric
noun	an oblique line of squares of the same color on a checkerboard “the bishop moves on the diagonals”
noun	(mathematics) a set of entries in a square matrix running diagonally either from the upper left to lower right entry or running from the upper right to lower left entry
noun	a punctuation mark (/) used to separate related items of information
adjective	connecting two nonadjacent corners of a plane figure or any two corners of a solid that are not in the same face “a diagonal line across the page”
adjective	having an oblique or slanted direction

Word Forms

diagonal	adjective	connecting two nonadjacent corners of a plane figure or any two corners of a solid that are not in the same face
diagonalize	verb	transform a matrix to a diagonal matrix
diagonalise	verb	transform a matrix to a diagonal matrix
diagonal	noun	(geometry) a straight line connecting any two vertices of a polygon that are not adjacent

Around the World

Europe

🇩🇪German

Diagonale

(Geometrie) eine gerade Linie, die zwei beliebige Eckpunkte eines Polygons verbindet, die nicht benachbart sind

🇫🇷French

diagonale

(géométrie) une ligne droite reliant deux sommets d'un polygone qui ne sont pas adjacents

🇮🇹Italian

diagonale

(geometria) una linea retta che collega due vertici qualsiasi di un poligono che non sono adiacenti

🇳🇱Dutch

diagonaal

(geometrie) een rechte lijn die twee hoekpunten van een veelhoek verbindt die niet aangrenzend zijn

🇷🇺Russian

диагональ

(геометрия) прямая линия, соединяющая любые две вершины многоугольника, которые не являются соседними.

India

🇮🇳Hindi

विकर्ण

(ज्यामिति) बहुभुज के किन्हीं दो शीर्षों को जोड़ने वाली एक सीधी रेखा जो आसन्न नहीं हैं

🇧🇩Bengali

তির্যক

(জ্যামিতি) একটি সরল রেখা একটি বহুভুজের যেকোনো দুটি শীর্ষবিন্দুকে সংযুক্ত করে যা সংলগ্ন নয়

🇮🇳Tamil

மூலைவிட்டமான

(வடிவியல்) அருகில் இல்லாத பலகோணத்தின் ஏதேனும் இரண்டு செங்குத்துகளை இணைக்கும் நேர்கோடு

🇮🇳Telugu

వికర్ణంగా

(జ్యామితి) ప్రక్కనే లేని బహుభుజి యొక్క ఏవైనా రెండు శీర్షాలను కలిపే సరళ రేఖ

🇮🇳Marathi

कर्ण

(भूमिती) समीप नसलेल्या बहुभुजाच्या कोणत्याही दोन शिरोबिंदूंना जोडणारी सरळ रेषा

🇮🇳Gujarati

કર્ણ

(ભૂમિતિ) બહુકોણના કોઈપણ બે શિરોબિંદુઓને જોડતી સીધી રેખા જે અડીને ન હોય

🇮🇳Kannada

ಕರ್ಣೀಯ

(ಜ್ಯಾಮಿತಿ) ಪಕ್ಕದಲ್ಲಿಲ್ಲದ ಬಹುಭುಜಾಕೃತಿಯ ಯಾವುದೇ ಎರಡು ಶೃಂಗಗಳನ್ನು ಸಂಪರ್ಕಿಸುವ ನೇರ ರೇಖೆ

🇮🇳Malayalam

ഡയഗണൽ

(ജ്യാമിതി) അടുത്തില്ലാത്ത ഒരു ബഹുഭുജത്തിൻ്റെ ഏതെങ്കിലും രണ്ട് ലംബങ്ങളെ ബന്ധിപ്പിക്കുന്ന ഒരു നേർരേഖ

🇮🇳Punjabi

ਵਿਕਰਣ

(ਰੇਖਾਗਣਿਤ) ਇੱਕ ਬਹੁਭੁਜ ਦੇ ਕਿਸੇ ਵੀ ਦੋ ਸਿਰਿਆਂ ਨੂੰ ਜੋੜਨ ਵਾਲੀ ਇੱਕ ਸਿੱਧੀ ਰੇਖਾ ਜੋ ਨੇੜੇ ਨਹੀਂ ਹਨ

🇵🇰Urdu

اخترن

(جیومیٹری) ایک سیدھی لکیر جو کثیرالاضلاع کے کسی بھی دو عمودی کو جوڑتی ہے جو ملحقہ نہ ہو۔

East & Southeast Asia

🇨🇳Chinese

对角线

（几何）连接多边形任意两个不相邻顶点的直线

🇯🇵Japanese

対角線

(ジオメトリ) 隣接しない多角形の任意の 2 つの頂点を結ぶ直線

🇰🇷Korean

대각선

(기하학) 인접하지 않은 다각형의 두 꼭지점을 연결하는 직선

🇻🇳Vietnamese

đường chéo

(hình học) đường thẳng nối hai đỉnh bất kỳ của một đa giác không liền kề

🇹🇭Thai

เส้นทแยงมุม

(เรขาคณิต) เส้นตรงที่เชื่อมจุดยอดสองจุดใดๆ ของรูปหลายเหลี่ยมซึ่งไม่ได้อยู่ติดกัน

🇵🇭Filipino

dayagonal

(geometry) isang tuwid na linya na nagkokonekta sa alinmang dalawang vertices ng isang polygon na hindi magkatabi

🇲🇾Malay

pepenjuru

(geometri) garis lurus yang menghubungkan mana-mana dua bucu poligon yang tidak bersebelahan

Middle East

🇸🇦Arabic

قطري

(هندسة) خط مستقيم يصل بين رأسين لمضلع غير متجاورين

🇮🇷Persian

مورب

(هندسه) خط مستقیمی که هر دو راس یک چندضلعی را که مجاور هم نیستند به هم وصل می کند

🇹🇷Turkish

diyagonal

(geometri) bir çokgenin bitişik olmayan herhangi iki köşesini birleştiren düz bir çizgi

🇮🇱Hebrew

אֲלַכסוֹנִי

(גיאומטריה) קו ישר המחבר כל שני קודקודים של מצולע שאינם סמוכים

Test Yourself1 / 3

What is the primary definition of the word 'diagonal'?

The primary meaning of 'diagonal' is '(geometry) a straight line connecting any two vertices of a polygon that are not adjacent'.

Which of the following sentences uses the word 'diagonal' in a grammatically correct way?

Using 'diagonal' in a noun/adjective form makes the first sentence correct.

In which domain is the word 'diagonal' most likely to appear as standard vocabulary?

'diagonal' is a standard word used primarily in general literature and formal communications.

Community Poll1 / 6

How often do you encounter the word 'diagonal' in your daily reading?

Very Often

Occasionally

Rarely

Never

Do you find 'diagonal' easy to spell?

Yes, very easy

Somewhat easy

A bit confusing

Extremely hard

In your opinion, does the word 'diagonal' have a positive, neutral, or gloomy tone?

Positive

Neutral

Gloomy

Vibrant

Which age group is most likely to use 'diagonal' in regular conversations?

Kids (3-12)

Teens (13-19)

Adults (20-60)

Seniors (60+)

How likely are you to use 'diagonal' in a professional email?

Very likely

Somewhat likely

Not very likely

Never

Would you classify 'diagonal' as formal, casual, or slang?

Formal

Casual

Slang

Archaic

Pick an option to see how others voted